UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EPflcCTWv55iXvSQ2symHtN4lk/eYnkZkIpnTCcxNLk=' 
WHERE 
  key_id = 'e5139fc1efa0f135a001f51dcaa8f67fe056a4561556d522a5f0f356015e4d90' 
  AND (
    token = 'EPflcCTWv55iXvSQ2symHtN4lk/eYnkZkIpnTCcxNLk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )