You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(, , ) VALUES 
('7ec9c10ea420c834031f3ddf3a449cbe', 0, '1550495916')' at line 2 SQL=INSERT INTO 
(, , ) VALUES 
('7ec9c10ea420c834031f3ddf3a449cbe', 0, '1550495916')