UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J0VoHcTKHP5pka+NyFOmWPveeRgX4cH8SyujAv3EknE=' 
WHERE 
  key_id = '0e35ccfb19ac663ac66952d1b95a20103b8359acf52e6306265d5fdddc489f4a' 
  AND (
    token = 'J0VoHcTKHP5pka+NyFOmWPveeRgX4cH8SyujAv3EknE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024