UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/VvynWd+pBuhoKQrXU6j64sBBCUBETOSCJMocuWIJr8=' 
WHERE 
  key_id = '4e6ee826384c4e4f4c4c0ca5449355d9270104f0126d252d602dd0be442a4339' 
  AND (
    token = '/VvynWd+pBuhoKQrXU6j64sBBCUBETOSCJMocuWIJr8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )