UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cgcf2JYy0+Her0cTjfW3ymGtfcbIj2CvurTx8PX0RGU=' 
WHERE 
  key_id = '8cba7aa75d391f70e09e3a2541894bcab1af735aace39c68c96e1f17d7c7d119' 
  AND (
    token = 'cgcf2JYy0+Her0cTjfW3ymGtfcbIj2CvurTx8PX0RGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )