数据库错误: [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

数据库错误: [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=

数据库错误: [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 ''AjMOOwE9VDsBd1JwUm1VOVM7BycHNVxzDSJTeFdsBWkFMFIvAScCbAV7AmkEMQVrBnYHJ1Q+X3ZdOwd' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')