UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'okdpGsfpzMpn0fRQyYTFKn5Lc2yolDtXq4xns1OU/EY=' 
WHERE 
  key_id = 'f8ce4919a8c0dbd5002e0474e8f9d1fb553361a997890f8c42e345bd4bd9b95c' 
  AND (
    token = 'okdpGsfpzMpn0fRQyYTFKn5Lc2yolDtXq4xns1OU/EY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )