UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yRu6m6FIugRtaR5ge2ZsZhm70//yS/08dednq5GI3/U=' 
WHERE 
  key_id = '2a91c224c83d2b8106d83c2647b9650214fc5a22e18b85d94531f75f5c47c38f' 
  AND (
    token = 'yRu6m6FIugRtaR5ge2ZsZhm70//yS/08dednq5GI3/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )