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 ''UWBWYw4yAm0GcAAiBDsDbwZuVXUDMVp1WnVTeAY9BWlUYQJ/VXNQPgR6VT4IPVY4AHBSclQ+CCFYPgd' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')