UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9i4UqFJlRbJ+FvFLtn3xIJgHvbXVovdqZsH939svYU=' 
WHERE 
  key_id = 'ff75e9333154d9a8a2c470096f4e14326ad035468d2ceb10ab45757df4471eb4' 
  AND (
    token = 'U9i4UqFJlRbJ+FvFLtn3xIJgHvbXVovdqZsH939svYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )