Index: kernel/session/session.php
===================================================================
--- kernel/session/session.php	(revision 13152)
+++ kernel/session/session.php	(working copy)
@@ -298,32 +298,38 @@
 
 	function GetExpiredSIDs()
 	{
-		$query = ' SELECT '.$this->IDField.' FROM '.$this->TableName.' WHERE '.$this->TimestampField.' > '.adodb_mktime();
-		return $this->Conn->GetCol($query);
+		$sql = 'SELECT ' . $this->IDField . '
+				FROM ' . $this->TableName . '
+				WHERE ' . $this->TimestampField . ' > ' . adodb_mktime();
+
+		return $this->Conn->GetCol($sql);
 	}
 
 	function DeleteExpired()
 	{
 		$expired_sids = $this->GetExpiredSIDs();
+
 		if ($expired_sids) {
 			$sessionlog_table = $this->Application->getUnitOption('session-log', 'TableName');
-			$session_log_sql =
-				'	UPDATE '.$sessionlog_table.'
-					SET Status = 2, SessionEnd =
-						(	SELECT '.$this->TimestampField.' - '.$this->SessionTimeout.'
-							FROM '.$this->TableName.'
-							WHERE '.$this->IDField.' = '.$sessionlog_table.'.SessionId
-						)
-					WHERE Status = 0 AND SessionId IN ('.join(',', $expired_sids).')';
+
 			if ($sessionlog_table) {
+				$sub_select = '	SELECT ' . $this->TimestampField . ' - ' . $this->SessionTimeout . '
+								FROM ' . $this->TableName . '
+								WHERE ' . $this->IDField . ' = ' . $sessionlog_table . '.SessionId';
+
+				$session_log_sql =
+					'	UPDATE ' . $sessionlog_table . '
+						SET Status = ' . SESSION_LOG_EXPIRED . ', SessionEnd = (' . $sub_select . ')
+						WHERE Status = ' . SESSION_LOG_ACTIVE . ' AND SessionId IN (' . implode(',', $expired_sids) . ')';
 				$this->Conn->Query($session_log_sql);
 			}
 
-			$where_clause = ' WHERE '.$this->IDField.' IN ("'.implode('","',$expired_sids).'")';
-			$sql = 'DELETE FROM '.$this->SessionDataTable.$where_clause;
+			$where_clause = ' WHERE ' . $this->IDField . ' IN ("' . implode('","', $expired_sids) . '")';
+
+			$sql = 'DELETE FROM ' . $this->SessionDataTable . $where_clause;
 			$this->Conn->Query($sql);
 
-			$sql = 'DELETE FROM '.$this->TableName.$where_clause;
+			$sql = 'DELETE FROM ' . $this->TableName . $where_clause;
 			$this->Conn->Query($sql);
 
 			// delete debugger ouputs left of expired sessions
@@ -334,6 +340,7 @@
 				}
 			}
 		}
+
 		return $expired_sids;
 	}
 
@@ -601,7 +608,7 @@
 			return ;
 		}
 
-		$this->DeleteExpired();
+//		$this->DeleteExpired(); // called from u:OnDeleteExpiredSessions agent now
 
 		if ($this->expired || ($this->CachedSID && !$this->_fromGet && !$this->SessionSet)) {
 			$this->RemoveSessionCookie();
Index: units/users/users_config.php
===================================================================
--- units/users/users_config.php	(revision 13159)
+++ units/users/users_config.php	(working copy)
@@ -103,9 +103,10 @@
 												5 => 'mode',
 											),
 
-					'RegularEvents'		=>	Array(
-													'membership_expiration' =>	Array('EventName' => 'OnCheckExpiredMembership', 'RunInterval' => 1800, 'Type' => reAFTER),
-											),
+					'RegularEvents' => Array(
+						'membership_expiration' => Array('EventName' => 'OnCheckExpiredMembership', 'RunInterval' => 1800, 'Type' => reAFTER),
+						'delete_expired_sessions' => Array('EventName' => 'OnDeleteExpiredSessions', 'RunInterval' => 86400, 'Type' => reAFTER),
+					),
 
 					'IDField' 			=>	'PortalUserId',
 
Index: units/users/users_event_handler.php
===================================================================
--- units/users/users_event_handler.php	(revision 13168)
+++ units/users/users_event_handler.php	(working copy)
@@ -188,6 +188,20 @@
 		}
 
 		/**
+		 * [AGENT] Deletes expired sessions
+		 *
+		 * @param kEvent $event
+		 */
+		function OnDeleteExpiredSessions(&$event)
+		{
+			if (defined('IS_INSTALL') && IS_INSTALL) {
+				return ;
+			}
+
+			$this->Application->Session->DeleteExpired();
+		}
+
+		/**
 		 * Checks user data and logs it in if allowed
 		 *
 		 * OnLogin is called from u:autoLoginUser and password is supplied