UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/xL36ja/5qNOo8B78LZwmN7kefTOnaU8/XWvefi/hYs=' 
WHERE 
  key_id = 'a9f9ca4e7729eb7f66887560e13319ac59ab4ad1818764ed84d2754ada5146a5' 
  AND (
    token = '/xL36ja/5qNOo8B78LZwmN7kefTOnaU8/XWvefi/hYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )