UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R3qsB67vGBJvXP7fYHKhQtMEoBh//Ritb2PuL7IYZ38=' 
WHERE 
  key_id = 'b995621dd5e33fb0684fe2532bd918ff5cf0646b7f9d2f54f8ca43e0494bffde' 
  AND (
    token = 'R3qsB67vGBJvXP7fYHKhQtMEoBh//Ritb2PuL7IYZ38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )