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 ''AzJUYVRoBmlQJgclAD9WOgRsCysNPw4hAC9VfldsDGADNlMuVHJSPAN9UDsBNF8xVycLK1Q+WnMJbwV' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')