UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oEjGDgztdKmHg9Fset0aMV+QCvPs2rkkgF3cxE3kUvw=' 
WHERE 
  key_id = '6512f4a54a77e49f11c434032103112092aa30a6df39b96d242f741af8bddf30' 
  AND (
    token = 'oEjGDgztdKmHg9Fset0aMV+QCvPs2rkkgF3cxE3kUvw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )