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 = 'c93dd8d95cb0e7bab488c150ebd9e6' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2008-12-04 18:37:17', prodstats_catid = , prodstats_parentid = 495 WHERE prodstats_hash = 'c93dd8d95cb0e7bab488c150ebd9e6c1'