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 ''BTRVYAY6DmFVI1d1AT5WOgRsVnYMPgAvXHNWfQY9A29ZbAB9ASdVOwN9UDsFMFc5UCBVdQFrASgLbQJ' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')