UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNu8f0KyInRuggULshHA7ZdtMz4Mn8TkTmqCa2ZWYiw=' 
WHERE 
  key_id = '50f7e951de48db5a17f462bc79801d48cc99ce3dd2b61ea3009a1f539983030f' 
  AND (
    token = 'MNu8f0KyInRuggULshHA7ZdtMz4Mn8TkTmqCa2ZWYiw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )