UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1xvuUXnPcTQVcX70fr/m7isjC2f9mMCwq6cXEMTvKpQ=' 
WHERE 
  key_id = '6a2cf847c42a791e56f18f334bbc26186169e683949a2bcc05e175a65a501549' 
  AND (
    token = '1xvuUXnPcTQVcX70fr/m7isjC2f9mMCwq6cXEMTvKpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )