ݿ: [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 'order by id desc limit 1' at line 1]
select cookies from demo_cookie where userid= order by id desc limit 1

ݿ: [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 '' at line 1]
delete from demo_cookie where userid=

ݿ: [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 ''WGkEMVRoD2AFc1ByAzxRPQdvASFXZQolAS4AKwI5A29QZVEsUnQPYQxyA2gEMQVrUyNXdwJoAClaPFc' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')