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 ''BTQANQ4yBmlXIQooVWpQPFU9AyNXZQwjXHNWfQA7VztZbAB9VXMFawN9Bm1VYFE/Dn4BIVQ+WnMJb1c' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')