UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTAYmOJw+mWreMJnjHX7NU0ioHsrSMv2vNCbq363ebY=' 
WHERE 
  key_id = '029a9794f92c195a99d85a432967cfdbf7f0a58161747c5883331e05d95c842e' 
  AND (
    token = 'PTAYmOJw+mWreMJnjHX7NU0ioHsrSMv2vNCbq363ebY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )