You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ' prodstats_parentid = 495 WHERE prodstats_hash = 'a01e4b7a3ec2970dbb2a4756c2cba3' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2013-05-19 06:27:57', prodstats_catid = , prodstats_parentid = 495 WHERE prodstats_hash = 'a01e4b7a3ec2970dbb2a4756c2cba341'