UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lb5fuO72Lv1N3n3nykt2mEb8qaUv//Bft0QglxMEkT4=' 
WHERE 
  key_id = '2438d6da9d1b1c8e4d5f4c4a98cdfcb054488a16adf443c0b9111794de0049de' 
  AND (
    token = 'Lb5fuO72Lv1N3n3nykt2mEb8qaUv//Bft0QglxMEkT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )