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 ''UGEFMFFtAW4HcQIgAj0EaAJqV3cMPg8gDSJVfgswA29UYVUoACYEalYoCmFTZlM9VSUDIwZsCyJcOlQ' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')