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 ''AzJVYFRoD2BRJwclCDdTPwdvBCRWZAkmAC9WfQQ/A29TZlEsACYAbgN9A2gGM1Q6VCQAIAxmDyYJb1E' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')