UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B7Zfwu6ADgZLGvecIrLppULvQsK6oZSyLZ3eUdrjUc8=' 
WHERE 
  key_id = '671f6a52faecb96d7b61cf3accd90f434ba5a377e51f31a91266b192e905f037' 
  AND (
    token = 'B7Zfwu6ADgZLGvecIrLppULvQsK6oZSyLZ3eUdrjUc8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )