UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekrwDryHmqIzEyEZk04UwYiory2k/1s9WPozO5JvxZE=' 
WHERE 
  key_id = 'a75ef731514641e6f0c988ae4b333c27ac8e545ca333f52a2b62d03a08f8cbad' 
  AND (
    token = 'ekrwDryHmqIzEyEZk04UwYiory2k/1s9WPozO5JvxZE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )