MySQL Error Occured
1062: Duplicate entry '21ca818d489582a961e6b0f295c21a12' for key 'PRIMARY'

QUERY = INSERT INTO sessions (`location`, `sessId`, `timeStart`, `timeLast`, `customer_id`) VALUES ('/index.php?act=viewDoc&docId=1', '21ca818d489582a961e6b0f295c21a12', '1786268630', '1786268630', 0)