UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1smoDqrJAkST300wevMmJZlOhzlzLImq37nBOFolSMM=' 
WHERE 
  key_id = '531fc91ecdff5e207d73e78c9138f5206b36f48b69bef27848cfa1e41acb1f87' 
  AND (
    token = '1smoDqrJAkST300wevMmJZlOhzlzLImq37nBOFolSMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )