UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mgA2s60DVgP3ebd8p/mj5JRALBTytl5DSy0rcVz/cUk=' 
WHERE 
  key_id = '527bad7b03c03954d612819af9b27974be80186e5b1259e221aa20cc354b79b2' 
  AND (
    token = 'mgA2s60DVgP3ebd8p/mj5JRALBTytl5DSy0rcVz/cUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )