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 ''WWhVYFNvBWoNe1Z0UW4DbwVtCysAMggnCCcCKVNoVTkFMAF8BiADbQZ4Vj0IPVI8A3MHJwBqXHUMalY' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')