MySQL Error Occured
1062: Duplicate entry '16a646a45e1d2b8b8a04147cf11f3e31' for key 'PRIMARY'

QUERY = INSERT INTO sessions (`location`, `sessId`, `timeStart`, `timeLast`, `customer_id`) VALUES ('/index.php?act=viewCat&catId=15', '16a646a45e1d2b8b8a04147cf11f3e31', '1771741927', '1771741927', 0)