diff --git a/cron/lock_trainings.php b/cron/lock_trainings.php
index 9d3cddc..b9da27e 100644
--- a/cron/lock_trainings.php
+++ b/cron/lock_trainings.php
@@ -9,7 +9,7 @@ else $sql = new sql('localhost','livingsp_coach','R186er012qw5','livingsp_badmin
 //get today trainings
 $today = date("Y-m-d");
 
-$trainings = $sql->assoc_array("SELECT * FROM training WHERE tr_deleted = 0 AND tr_date LIKE '{$today}%'");
+$trainings = $sql->assoc_array("SELECT * FROM training WHERE tr_locked = 0 AND tr_deleted = 0 AND tr_date LIKE '{$today}%'");
 
 foreach ($trainings as $key => $training) {
     $sql->update_table("training", array(