Index: core/kernel/managers/rewrite_url_processor.php
===================================================================
--- core/kernel/managers/rewrite_url_processor.php	(revision 15374)
+++ core/kernel/managers/rewrite_url_processor.php	(working copy)
@@ -233,7 +233,7 @@
 	 */
 	protected function _getCachedUrl($url)
 	{
-		if (!$url) {
+		if ( !$url || (defined('DBG_CACHE_URLS') && !DBG_CACHE_URLS) ) {
 			return false;
 		}
 
@@ -242,9 +242,9 @@
 				WHERE Hash = ' . kUtil::crc32($url) . ' AND DomainId = ' . (int)$this->Application->siteDomainField('DomainId');
 		$data = $this->Conn->GetRow($sql);
 
-		if ($data) {
+		if ( $data ) {
 			$lifetime = (int)$data['LifeTime']; // in seconds
-			if (($lifetime > 0) && ($data['Cached'] + $lifetime < adodb_mktime())) {
+			if ( ($lifetime > 0) && ($data['Cached'] + $lifetime < TIMENOW) ) {
 				// delete expired
 				$sql = 'DELETE FROM ' . TABLE_PREFIX . 'CachedUrls
 						WHERE UrlId = ' . $data['UrlId'];
@@ -269,8 +269,8 @@
 	 */
 	protected function _setCachedUrl($url, $data)
 	{
-		if (!$url) {
-			return ;
+		if ( !$url || (defined('DBG_CACHE_URLS') && !DBG_CACHE_URLS) ) {
+			return;
 		}
 
 		$vars = $data['vars'];
@@ -278,7 +278,7 @@
 		sort($passed);
 
 		// get expiration
-		if ($vars['m_cat_id'] > 0) {
+		if ( $vars['m_cat_id'] > 0 ) {
 			$sql = 'SELECT PageExpiration
 					FROM ' . TABLE_PREFIX . 'Categories
 					WHERE CategoryId = ' . $vars['m_cat_id'];
@@ -289,10 +289,10 @@
 		$prefixes = Array ();
 		$m_index = array_search('m', $passed);
 
-		if ($m_index !== false) {
+		if ( $m_index !== false ) {
 			unset($passed[$m_index]);
 
-			if ($vars['m_cat_id'] > 0) {
+			if ( $vars['m_cat_id'] > 0 ) {
 				$prefixes[] = 'c:' . $vars['m_cat_id'];
 			}
 
@@ -301,7 +301,7 @@
 		}
 
 		foreach ($passed as $prefix) {
-			if (array_key_exists($prefix . '_id', $vars) && is_numeric($vars[$prefix . '_id'])) {
+			if ( array_key_exists($prefix . '_id', $vars) && is_numeric($vars[$prefix . '_id']) ) {
 				$prefixes[] = $prefix . ':' . $vars[$prefix . '_id'];
 			}
 			else {
Index: tools/debug_sample.php
===================================================================
--- tools/debug_sample.php	(revision 15331)
+++ tools/debug_sample.php	(working copy)
@@ -55,4 +55,5 @@
 //		'DBG_IMAGE_RECOVERY'	=>	1,				// Don't replace missing images with noimage.gif
 //		'DBG_SQL_MODE'			=>	'TRADITIONAL',	// Extra control over sql syntax & data from MySQL server side
 //		'DBG_RESET_ROOT'		=>	1,				// Shows "root" user password reset link on Admin Console login screen
+//		'DBG_CACHE_URLS'		=>	0,				// Cache urls, that are build by rewrite listeners
 	);
\ No newline at end of file