UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MisCQBFxJZva8mDzHtRSpFflzgdQqNSDSqWzO6mERc0=' 
WHERE 
  key_id = 'd4a8babd4373d96e702279c123e713dc055c36a4cb2e98585b6961b532f83196' 
  AND (
    token = 'MisCQBFxJZva8mDzHtRSpFflzgdQqNSDSqWzO6mERc0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )