UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LFD0Vw+LetUnbmKuAGBYNNffdpghZhe1T4mszMZZw2c=' 
WHERE 
  key_id = '536925f2c04507ab7d4b40822860445d37d2fd9d06b98c5fdb28ef1ab899f68b' 
  AND (
    token = 'LFD0Vw+LetUnbmKuAGBYNNffdpghZhe1T4mszMZZw2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )