--- votingapi.module.orig	2011-01-13 00:57:45.000000000 +0100
+++ votingapi.module	2011-01-13 00:58:10.000000000 +0100
@@ -320,7 +320,12 @@ function votingapi_select_votes($criteri
   }
   $query = db_select('votingapi_vote')->fields('votingapi_vote');
   foreach ($criteria as $key => $value) {
-    $query->condition($key, $value, is_array($value) ? 'IN' : '=');
+    if ($key == 'timestamp') {
+      $query->condition($key, $value, '>');
+    }
+    else {
+      $query->condition($key, $value, is_array($value) ? 'IN' : '=');
+    }
   }
   if (!empty($limit)) {
     $query->range(0, $limit);