UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4IQRi7usHXCH9dsbIEn0PUEdtJQmKdgLSumtYncSm0U=' 
WHERE 
  key_id = '98bbab79b6934cbd2a07e413d4651061dc78a6bb5d60e6de09a9a1033acd5163' 
  AND (
    token = '4IQRi7usHXCH9dsbIEn0PUEdtJQmKdgLSumtYncSm0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )