UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mT3IjKnVMQrSP7D+2+iThT9SHqE9saqpSuymqBFj0fs=' 
WHERE 
  key_id = 'd8a8ce15b29819ed40480fddb50a9d2124db1742139685d013f225c617a955e9' 
  AND (
    token = 'mT3IjKnVMQrSP7D+2+iThT9SHqE9saqpSuymqBFj0fs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )