MySQL Error Occured
1062: Duplicate entry '57d121c0bdb6775ac3f368db9e64751d' for key 'PRIMARY'

QUERY = INSERT INTO sessions (`location`, `sessId`, `timeStart`, `timeLast`, `customer_id`) VALUES ('/index.php?act=viewDoc&docId=2', '57d121c0bdb6775ac3f368db9e64751d', '1772697821', '1772697821', 0)