--- includes/FeedsScheduler.inc	2009-11-02 20:40:22.000000000 +0000
+++ /var/www/localhost/feeds.20091124/includes/FeedsScheduler.inc	2009-11-23 15:26:45.000000000 +0000
@@ -129,7 +129,7 @@ class FeedsScheduler implements IFeedsSc
             // refresh period.
             $time = $this->time() - $period;
 
-            $result = db_query_range('SELECT feed_nid, id AS importer_id, callback, last_scheduled_time FROM {feeds_schedule} WHERE id = "%s" AND callback = "%s" AND scheduled = 0 AND (last_scheduled_time < %d OR last_scheduled_time = 0) ORDER BY last_scheduled_time ASC', $importer->id, $callback, $time, 0, $num);
+            $result = db_query_range('SELECT feed_nid, id AS importer_id, callback, last_scheduled_time FROM {feeds_schedule} WHERE id = \'%s\' AND callback = \'%s\' AND scheduled = 0 AND (last_scheduled_time < %d OR last_scheduled_time = 0) ORDER BY last_scheduled_time ASC', $importer->id, $callback, $time, 0, $num);
             while ($feed_info = db_fetch_array($result)) {
 
               // If drupal_queue is present, add to queue, otherwise work off
@@ -184,7 +184,7 @@ class FeedsScheduler implements IFeedsSc
    * Implementation of IFeedsScheduler::remove().
    */
   public function remove($importer_id, $callback, $feed_nid = 0) {
-    db_query('DELETE FROM {feeds_schedule} WHERE id = "%s" AND callback = "%s" AND feed_nid = %d', $importer_id, $callback, $feed_nid);
+    db_query('DELETE FROM {feeds_schedule} WHERE id = "%s" AND callback = \'%s\' AND feed_nid = %d', $importer_id, $callback, $feed_nid);
   }
 
   /**