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 = '053297148f5c93d4d3e66525aab3f7' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2013-05-20 09:58:06', prodstats_catid = , prodstats_parentid = 495 WHERE prodstats_hash = '053297148f5c93d4d3e66525aab3f7e0'