UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4e1IgWoovZQ9nguVquhQo2sl8O7+CRnyrMmrYDdZZG0=' 
WHERE 
  key_id = '3e93396d9a3b523a1ce86c234a38b65220a747c7d264c246d2ab9312ba439986' 
  AND (
    token = '4e1IgWoovZQ9nguVquhQo2sl8O7+CRnyrMmrYDdZZG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )