$seconds = '#deb_delete#';

$sql = 'SELECT * FROM zzzsys_debug';
$t   = nuRunQuery($sql);

while($r = db_fetch_object($t)){
    if(strtotime(date("Y-m-d H:i:s")) - strtotime($r->deb_added) > $seconds) {
        nuRunQuery("DELETE FROM zzzsys_debug WHERE zzzsys_debug_id = '$r->zzzsys_debug_id'");
    }
}
