UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4M6YS43oiGfypnoJ8uVqp1XQyiRVH7ZcdTTyGccjKHQ=' 
WHERE 
  key_id = '18959eccced923ae6feb1366bd64c6a6a1cc3d7832fa7d9a1ed5e1db56f0c487' 
  AND (
    token = '4M6YS43oiGfypnoJ8uVqp1XQyiRVH7ZcdTTyGccjKHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )