UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WjCExrHdKmwdhoQbZ7UKY5zNe9krsL6WPNJs4bt/IQ0=' 
WHERE 
  key_id = '6b4aa95db96aafb29cdf8123f44437731700453d8c2055429303b2bafd35dcfd' 
  AND (
    token = 'WjCExrHdKmwdhoQbZ7UKY5zNe9krsL6WPNJs4bt/IQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )