Index: trunk/kernel/units/general/cat_event_handler.php
===================================================================
diff -u -N -r5177 -r5179
--- trunk/kernel/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 5177)
+++ trunk/kernel/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 5179)
@@ -501,10 +501,10 @@
 													%1$s.NewItem
 												)');
 	
-		// hot items
+		// hot items (cache updated every hour)
 		$sql = 'SELECT Data
 				FROM '.TABLE_PREFIX.'Cache
-				WHERE (VarName = "'.$property_map['HotLimit'].'") AND ('.adodb_mktime().' - Cached  < 3600)';
+				WHERE (VarName = "'.$property_map['HotLimit'].'") AND (Cached >'.(adodb_mktime() - 3600).')';
 		$hot_limit = $this->Conn->GetOne($sql);
 		if ($hot_limit === false) {
 			$hot_limit = $this->CalculateHotLimit($event);
Index: trunk/core/units/general/cat_event_handler.php
===================================================================
diff -u -N -r5177 -r5179
--- trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 5177)
+++ trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 5179)
@@ -501,10 +501,10 @@
 													%1$s.NewItem
 												)');
 	
-		// hot items
+		// hot items (cache updated every hour)
 		$sql = 'SELECT Data
 				FROM '.TABLE_PREFIX.'Cache
-				WHERE (VarName = "'.$property_map['HotLimit'].'") AND ('.adodb_mktime().' - Cached  < 3600)';
+				WHERE (VarName = "'.$property_map['HotLimit'].'") AND (Cached >'.(adodb_mktime() - 3600).')';
 		$hot_limit = $this->Conn->GetOne($sql);
 		if ($hot_limit === false) {
 			$hot_limit = $this->CalculateHotLimit($event);