UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8aRwq34DFfV0gECeo+o4X041cOiajd2UV4ahpNJeEXU=' 
WHERE 
  key_id = '8204c706e7259d7455b64a554918c9d91f6d044817a781a37da4f0eed196998e' 
  AND (
    token = '8aRwq34DFfV0gECeo+o4X041cOiajd2UV4ahpNJeEXU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )