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 ''WWhSZwc7BWpQJld1Um1WOg9nCysHNVxzCCcCKVdsVjpTZgd6BSMFa1AuUToDNlE/A3MLK1M5CCELbQN' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')