UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DzrzK8mpOkCyvQz7RcB6JH80jFpt2JqAj17oSxOUI8A=' 
WHERE 
  key_id = '50d1d9d3bc5f46f3fb3d7ed7a353cd3e32512c5696cb0bf3d00ff4920c31423a' 
  AND (
    token = 'DzrzK8mpOkCyvQz7RcB6JH80jFpt2JqAj17oSxOUI8A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )