diff --git a/lib/db_ido_mysql/idomysqlconnection.cpp b/lib/db_ido_mysql/idomysqlconnection.cpp
index 03a4f2277..8c81c41d0 100644
--- a/lib/db_ido_mysql/idomysqlconnection.cpp
+++ b/lib/db_ido_mysql/idomysqlconnection.cpp
@@ -160,7 +160,7 @@ void IdoMysqlConnection::Reconnect(void)
 
 	CONTEXT("Reconnecting to MySQL IDO database '" + GetName() + "'");
 
-	m_SessionToken = Utility::NewUniqueID();
+	m_SessionToken = static_cast<int>(Utility::GetTime());
 
 	SetShouldConnect(true);
 
@@ -382,7 +382,7 @@ void IdoMysqlConnection::Reconnect(void)
 
 void IdoMysqlConnection::ClearCustomVarTable(const String& table)
 {
-	Query("DELETE FROM " + GetTablePrefix() + table + " WHERE session_token <> '" + Escape(m_SessionToken) + "'");
+	Query("DELETE FROM " + GetTablePrefix() + table + " WHERE session_token <> " + Convert::ToString(m_SessionToken));
 }
 
 void IdoMysqlConnection::ClearConfigTable(const String& table)
@@ -683,7 +683,7 @@ bool IdoMysqlConnection::FieldToEscapedString(const String& key, const Value& va
 		return true;
 	}
 	if (key == "session_token") {
-		*result = "'" + Escape(m_SessionToken) + "'";
+		*result = m_SessionToken;
 		return true;
 	}
 	if (key == "notification_id") {
diff --git a/lib/db_ido_mysql/idomysqlconnection.hpp b/lib/db_ido_mysql/idomysqlconnection.hpp
index bab16a7a8..684c73b98 100644
--- a/lib/db_ido_mysql/idomysqlconnection.hpp
+++ b/lib/db_ido_mysql/idomysqlconnection.hpp
@@ -69,7 +69,7 @@ protected:
 
 private:
 	DbReference m_InstanceID;
-	String m_SessionToken;
+	int m_SessionToken;
 
 	WorkQueue m_QueryQueue;
 
diff --git a/lib/db_ido_mysql/schema/mysql.sql b/lib/db_ido_mysql/schema/mysql.sql
index ea004edd4..f1a2f8d06 100644
--- a/lib/db_ido_mysql/schema/mysql.sql
+++ b/lib/db_ido_mysql/schema/mysql.sql
@@ -342,7 +342,7 @@ CREATE TABLE IF NOT EXISTS icinga_customvariables (
   varname varchar(255) character set latin1 collate latin1_general_cs default NULL,
   varvalue TEXT character set latin1  default '',
   is_json smallint default 0,
-  session_token varchar(512) character set latin1 default NULL,
+  session_token int default NULL,
   PRIMARY KEY  (customvariable_id),
   UNIQUE KEY object_id_2 (object_id,config_type,varname),
   KEY varname (varname)
@@ -363,7 +363,7 @@ CREATE TABLE IF NOT EXISTS icinga_customvariablestatus (
   varname varchar(255) character set latin1 collate latin1_general_cs default NULL,
   varvalue TEXT character set latin1  default '',
   is_json smallint default 0,
-  session_token varchar(512) character set latin1 default NULL,
+  session_token int default NULL,
   PRIMARY KEY  (customvariablestatus_id),
   UNIQUE KEY object_id_2 (object_id,varname),
   KEY varname (varname)
diff --git a/lib/db_ido_mysql/schema/upgrade/2.4.0.sql b/lib/db_ido_mysql/schema/upgrade/2.4.0.sql
index a7bf0fcb0..498c3e39f 100644
--- a/lib/db_ido_mysql/schema/upgrade/2.4.0.sql
+++ b/lib/db_ido_mysql/schema/upgrade/2.4.0.sql
@@ -52,8 +52,8 @@ ALTER TABLE icinga_hoststatus ADD COLUMN original_attributes TEXT character set
 -- #10436 deleted custom vars
 -- -----------------------------------------
 
-ALTER TABLE icinga_customvariables ADD COLUMN session_token varchar(512) character set latin1 default NULL;
-ALTER TABLE icinga_customvariablestatus ADD COLUMN session_token varchar(512) character set latin1 default NULL;
+ALTER TABLE icinga_customvariables ADD COLUMN session_token int default NULL;
+ALTER TABLE icinga_customvariablestatus ADD COLUMN session_token int default NULL;
 
 CREATE INDEX cv_session_del_idx ON icinga_customvariables (session_token);
 CREATE INDEX cvs_session_del_idx ON icinga_customvariablestatus (session_token);
diff --git a/lib/db_ido_pgsql/idopgsqlconnection.cpp b/lib/db_ido_pgsql/idopgsqlconnection.cpp
index 8af2b30a4..d59ec7815 100644
--- a/lib/db_ido_pgsql/idopgsqlconnection.cpp
+++ b/lib/db_ido_pgsql/idopgsqlconnection.cpp
@@ -160,7 +160,7 @@ void IdoPgsqlConnection::Reconnect(void)
 
 	CONTEXT("Reconnecting to PostgreSQL IDO database '" + GetName() + "'");
 
-	m_SessionToken = Utility::NewUniqueID();
+	m_SessionToken = static_cast<int>(Utility::GetTime());
 
 	SetShouldConnect(true);
 
@@ -377,7 +377,7 @@ void IdoPgsqlConnection::Reconnect(void)
 
 void IdoPgsqlConnection::ClearCustomVarTable(const String& table)
 {
-	Query("DELETE FROM " + GetTablePrefix() + table + " WHERE session_token <> '" + Escape(m_SessionToken) + "'");
+	Query("DELETE FROM " + GetTablePrefix() + table + " WHERE session_token <> " + Convert::ToString(m_SessionToken));
 }
 
 void IdoPgsqlConnection::ClearConfigTable(const String& table)
@@ -561,7 +561,7 @@ bool IdoPgsqlConnection::FieldToEscapedString(const String& key, const Value& va
 		return true;
 	}
 	if (key == "session_token") {
-		*result = "'" + Escape(m_SessionToken) + "'";
+		*result = m_SessionToken;
 		return true;
 	}
 	if (key == "notification_id") {
diff --git a/lib/db_ido_pgsql/idopgsqlconnection.hpp b/lib/db_ido_pgsql/idopgsqlconnection.hpp
index d3cedff01..2fa2ba8e0 100644
--- a/lib/db_ido_pgsql/idopgsqlconnection.hpp
+++ b/lib/db_ido_pgsql/idopgsqlconnection.hpp
@@ -61,7 +61,7 @@ protected:
 
 private:
 	DbReference m_InstanceID;
-	String m_SessionToken;
+	int m_SessionToken;
 
 	WorkQueue m_QueryQueue;
 
diff --git a/lib/db_ido_pgsql/schema/pgsql.sql b/lib/db_ido_pgsql/schema/pgsql.sql
index 8b9a8ce7f..13b4396b6 100644
--- a/lib/db_ido_pgsql/schema/pgsql.sql
+++ b/lib/db_ido_pgsql/schema/pgsql.sql
@@ -368,7 +368,7 @@ CREATE TABLE  icinga_customvariables (
   varname TEXT  default '',
   varvalue TEXT  default '',
   is_json INTEGER  default 0,
-  session_token TEXT default NULL,
+  session_token INTEGER default NULL,
   CONSTRAINT PK_customvariable_id PRIMARY KEY (customvariable_id) ,
   CONSTRAINT UQ_customvariables UNIQUE (object_id,config_type,varname)
 ) ;
@@ -389,7 +389,7 @@ CREATE TABLE  icinga_customvariablestatus (
   varname TEXT  default '',
   varvalue TEXT  default '',
   is_json INTEGER  default 0,
-  session_token TEXT default NULL,
+  session_token INTEGER default NULL,
   CONSTRAINT PK_customvariablestatus_id PRIMARY KEY (customvariablestatus_id) ,
   CONSTRAINT UQ_customvariablestatus UNIQUE (object_id,varname)
 ) ;
diff --git a/lib/db_ido_pgsql/schema/upgrade/2.4.0.sql b/lib/db_ido_pgsql/schema/upgrade/2.4.0.sql
index 909869a50..1e50ec3e2 100644
--- a/lib/db_ido_pgsql/schema/upgrade/2.4.0.sql
+++ b/lib/db_ido_pgsql/schema/upgrade/2.4.0.sql
@@ -162,8 +162,8 @@ ALTER TABLE icinga_hoststatus ADD COLUMN  original_attributes TEXT default NULL;
 -- #10436 deleted custom vars
 -- -----------------------------------------
 
-ALTER TABLE icinga_customvariables ADD COLUMN session_token TEXT default NULL;
-ALTER TABLE icinga_customvariablestatus ADD COLUMN session_token TEXT default NULL;
+ALTER TABLE icinga_customvariables ADD COLUMN session_token INTEGER default NULL;
+ALTER TABLE icinga_customvariablestatus ADD COLUMN session_token INTEGER default NULL;
 
 CREATE INDEX cv_session_del_idx ON icinga_customvariables (session_token);
 CREATE INDEX cvs_session_del_idx ON icinga_customvariablestatus (session_token);