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 ''ADFUYQI+VToAdgspAj1UOAFpBCQNPwwjAS4CKQQ/Uj4EMQN+AiQGaAJ8Bm1UYVY4VycAIFM5ACkLbQR' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')