UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ztU9xI+j5s4qVrfTVsp5BEllcPRM2u5YLJmX1xyQVbw=' 
WHERE 
  key_id = '878cc6fafb5eb36eff21f5a3af01cacf30497127bd53ba0644d770dcd4d46836' 
  AND (
    token = 'ztU9xI+j5s4qVrfTVsp5BEllcPRM2u5YLJmX1xyQVbw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )