mysql> insert into user_master (msisdn,cat0,cat1,cat2,cat3,cat4,cat5,cat6,cat7,vip,SAcode,phone_type) values (919596354636,0,1,0,0,0,0,0,0,0,0,0)on duplicate key update 'cat0=1,cat1=0,cat2=0,cat3=0,cat4=0,cat5=0,cat6=0,cat7=0'; ERROR 1064 (42000): 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 ''cat0=1,cat1=0,cat2=0,cat3=0,cat4=0,cat5=0,cat6=0,cat7=0'' at line 1