UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/vZdPnx69BfckA9+qoRXkGwcBHp2AkXLPEBjEA8CUI=' 
WHERE 
  key_id = '5a891aff08661e94dd13637ea200e5c92bd492baeece7408439eaf827e275d90' 
  AND (
    token = 'n/vZdPnx69BfckA9+qoRXkGwcBHp2AkXLPEBjEA8CUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )