UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K6AsEXUuqXck1PV6oQnervH+5VqCycENaN6X39eKZyI=' 
WHERE 
  key_id = '31e2a52576fb913020fe6a1655c42bd1c152af99ee573a075469dfb9920df7d2' 
  AND (
    token = 'K6AsEXUuqXck1PV6oQnervH+5VqCycENaN6X39eKZyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )