UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4vdbeqbkGwUDW9AWTkuPhkBv2XwCPmxWI1GWvC7XAdk=' 
WHERE 
  key_id = '9add6fe38235c799e49bb3886ab9241a971e0f681079383dc3619323d8569a57' 
  AND (
    token = '4vdbeqbkGwUDW9AWTkuPhkBv2XwCPmxWI1GWvC7XAdk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )