SELECT * FROM `tb_studentreg` WHERE `statuspay`='ชำระเงินแล้ว' and `idobj`='0';

UPDATE `tb_studentreg` SET `std_Register` = 'ขึ้นทะเบียน', `statuspay` = 'ชำระเงินแล้ว', `dstatus` = '28/04/2021', `time` = '18:00', `idbank` = 'KBANK', `idobj` = '1' WHERE `tb_studentreg`.`idst` = 21;


UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

UPDATE `tb_studentreg` 
SET `idobj`='1'
WHERE `statuspay`='ชำระเงินแล้ว' and `idobj`='0';

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