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 ''AjMEMQc7BmkMelFzAj0FaQBoVXUAMgolDiFWfVBrA29VYAN+DykDbQR6UjkJPF4wVycKKgBqW3IOaFU' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')