MySQL Error Occured
1062: Duplicate entry 'a1c21e14ec3aa4f96ca0774abc90246d' for key 'PRIMARY'

QUERY = INSERT INTO sessions (`location`, `sessId`, `timeStart`, `timeLast`, `customer_id`) VALUES ('/index.php?act=viewCat&catId=6', 'a1c21e14ec3aa4f96ca0774abc90246d', '1771732590', '1771732590', 0)