UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e/6wQLGx6ABCeEWVvrTnG3fGXx22Hn3Rpr0HXOgSUe8=' 
WHERE 
  key_id = '55ae60b1c6430df030dfa86e53e067dc7bb1b1abbc4bc9bd2638b6f71efa7fe4' 
  AND (
    token = 'e/6wQLGx6ABCeEWVvrTnG3fGXx22Hn3Rpr0HXOgSUe8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049