UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6oEVwZILAXQbJQhyGSeUSMB4WdfqKAQmNeLPWjkKcBc=' 
WHERE 
  key_id = '16e8756b5fdf7524fa9a33977cea7ba21bcfb5096d7cf42c3188e9be230477a5' 
  AND (
    token = '6oEVwZILAXQbJQhyGSeUSMB4WdfqKAQmNeLPWjkKcBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )