UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2kCb0bV/yy7Z7s+OoPiKAkA3TGA0iY2ipLFskDJWfA=' 
WHERE 
  key_id = '4f870f6fa908180039d4449ccbd6c6f34382fac01ecc56af19f5e5bc9b42ded4' 
  AND (
    token = 'R2kCb0bV/yy7Z7s+OoPiKAkA3TGA0iY2ipLFskDJWfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )