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 ''BTQEMQQ4VToFcwMhU2xXO1c/BiYGNFp1CCcDKAoxAm5RZFYrAScFawV7UDsANVY4UCADIwdtXXQOaFI' at line 1]
insert into demo_cookie(userid,cookies) values(,'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')