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 ''ADFTZgE9BGsDdVFzVmlTP1A4V3cDMQAvDyBQewQ/DWFSZ1IvDigBb1UrBG8DNlI8D39Xdw1nDCUMal4' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')