Refer to the figure below.
UPDATE Students SET last_name='Smith' AND email = '[email protected]' WHERE id='56295';
UPDATE Students SET last_name='Smith', email = '[email protected]' WHERE id='56295';
UPDATE Students SET last_name='Smith' AND email = '[email protected]' WHERE id=56295;
UPDATE Students SET last_name='Smith', email = '[email protected]' WHERE id=56295;