UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M/WC6DtrSBwog7mAd7MtqjReGZeQqiIHYdvu+2J5DuA=' 
WHERE 
  key_id = '30ee02992098c021ad24382f0eb052e22a52acf650a3d24af1a802d47d8f4caf' 
  AND (
    token = 'M/WC6DtrSBwog7mAd7MtqjReGZeQqiIHYdvu+2J5DuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )