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 = WHERE prodstats_hash = 'f5e2020d81a60512af2d38300ca9dc84'' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2008-12-04 16:55:36', prodstats_catid = , prodstats_parentid = WHERE prodstats_hash = 'f5e2020d81a60512af2d38300ca9dc84'