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 = 'a6def511677ba7fe50fa89f7ac0312b2'' at line 1
UPDATE prod_stats SET prodstats_numviews = prodstats_numviews+1, prodstats_lastseen = '2008-12-04 18:46:07', prodstats_catid = , prodstats_parentid = WHERE prodstats_hash = 'a6def511677ba7fe50fa89f7ac0312b2'