UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qqcUkQR9Wb4aV8xeHBg8dEL6tRShVVSgEh3KIugpl0=' 
WHERE 
  key_id = '648109c93c577e0ef34380767407cc073aa78b5c480a1df044232592cd295732' 
  AND (
    token = '6qqcUkQR9Wb4aV8xeHBg8dEL6tRShVVSgEh3KIugpl0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )