UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SmqEk5u/b+1RwlFxmzpsV5WJzHio5uIJwce6UihrC1A=' 
WHERE 
  key_id = 'dcfd748b14b87069e35d1496726be91285810163abeca635933979b3d65d2194' 
  AND (
    token = 'SmqEk5u/b+1RwlFxmzpsV5WJzHio5uIJwce6UihrC1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )