UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rFhyxos7rEUljyiD3mR4aRGixexu0VAnuxT8RhBhm6g=' 
WHERE 
  key_id = '6af766e8dee66225b83bbe03961c32f52e28d8d569bb59ebc943de13d4a58055' 
  AND (
    token = 'rFhyxos7rEUljyiD3mR4aRGixexu0VAnuxT8RhBhm6g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )