UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g7r3Hk4JMZfiZ2icZuHA0xItreU6/Ihs+kbmCqpOkII=' 
WHERE 
  key_id = '6d74c89e0381ef7db6caa23457955d91364af592a52c9b163fd3e9d8deea9166' 
  AND (
    token = 'g7r3Hk4JMZfiZ2icZuHA0xItreU6/Ihs+kbmCqpOkII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )