UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yDfdt8st2VAXGsF6ud/iujEZWkL99mvsykVBs0uzFwM=' 
WHERE 
  key_id = '6f51fc10ec4c21ecefc35c9d5cfe9a963164723c80879ed624e2cec177d0c876' 
  AND (
    token = 'yDfdt8st2VAXGsF6ud/iujEZWkL99mvsykVBs0uzFwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )