MySQL Error Occured
1062: Duplicate entry '87a7ad02b106a02f9b9cbf738b1723ee' for key 'PRIMARY'

QUERY = INSERT INTO sessions (`location`, `sessId`, `timeStart`, `timeLast`, `customer_id`) VALUES ('/index.php?act=viewCat&catId=21', '87a7ad02b106a02f9b9cbf738b1723ee', '1791801011', '1791801011', 0)