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 ''AzIHMlVpB2gMegAiU2xUOAZuBCRTYQ0iDyAAKwI5VzsCN1YrACZSPFcpBW4DNgRqBHQFJQVvDSRfOVM' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')