UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50X4li8MnkwjdRzE0U6vS22BjF2a6rmQfNSe8clwbLg=' 
WHERE 
  key_id = '821f1b1c7fb341e056a343e96d709ca87bb81bb82e49cbfee24ac2d77959701e' 
  AND (
    token = '50X4li8MnkwjdRzE0U6vS22BjF2a6rmQfNSe8clwbLg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )