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 ''WGlWY1ZqAm0GcFFzAzxXOw5mCysHNVxzWnVWfQE6DWFYbQF8AiRQPgd5UDsEMV8xBHQAIFY8XHUAZlY' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')