UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxXxxP5l9SDKbg1nkQJwhqMtgYuVi3lpM6cPQX0qzpQ=' 
WHERE 
  key_id = '9ad6ef9d2de8650f0920392273e849895d4b227a2e12467bba29309e6d7208f7' 
  AND (
    token = 'dxXxxP5l9SDKbg1nkQJwhqMtgYuVi3lpM6cPQX0qzpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )