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 = 'eabba3c24bbf0cb753b47fdcbb59de' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2013-05-22 02:58:22', prodstats_catid = , prodstats_parentid = 512 WHERE prodstats_hash = 'eabba3c24bbf0cb753b47fdcbb59de24'