UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2xEcisZlSR7jBj0ERoQ/gJqynSaIkzUMXXGR0P4SlXM=' 
WHERE 
  key_id = '847185a35eb5885ef486792611ad116d395eef37541e3fb854b8186e8964804f' 
  AND (
    token = '2xEcisZlSR7jBj0ERoQ/gJqynSaIkzUMXXGR0P4SlXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )