UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SaxV8aq8AxdCkq0azvFcKtp4vl9g+MC66sf2jpPrH80=' 
WHERE 
  key_id = '31648cc2b55d3f080227a031c5cdfddd2d4bde0caf7fad96a56f732d9d336338' 
  AND (
    token = 'SaxV8aq8AxdCkq0azvFcKtp4vl9g+MC66sf2jpPrH80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )