INSERT INTO cart (tovar_name, col, cost, ses_id, date) VALUES ("", 1, , "2d40722fb3455117cb1019bde4c16aa2", 1501051030)
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 ' "2d40722fb3455117cb1019bde4c16aa2", 1501051030)' at line 1