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 = 512 WHERE prodstats_hash = '4fcd35bdd12c7fd225ea899459bd51' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2008-11-21 00:15:51', prodstats_catid = , prodstats_parentid = 512 WHERE prodstats_hash = '4fcd35bdd12c7fd225ea899459bd51ad'