UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/DT9QhrX8i8hu56EHneh44E0jFPJgVZkEHiiGcm9vvg=' 
WHERE 
  key_id = '871e16d1e18037ce98a561c59285d055577ef0b07ae7960ef85a13208fef866f' 
  AND (
    token = '/DT9QhrX8i8hu56EHneh44E0jFPJgVZkEHiiGcm9vvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )