UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4VzYDCbigJbkw96BLzjgsyCw4sGmlCXKC1nKCyh+9jU=' 
WHERE 
  key_id = '2a18fcc7cf239273bdef6b2984d2577b00cb38f845230f96bcacfaf8c0927d13' 
  AND (
    token = '4VzYDCbigJbkw96BLzjgsyCw4sGmlCXKC1nKCyh+9jU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )