UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uT8sgWs1/+Suaokz60fw8jMdJ1bGIm3MS15hODi1kYQ=' 
WHERE 
  key_id = '9823a4538cf9b8804e2477adc92e7cc793eede7ddce5778e0ee125c17db85754' 
  AND (
    token = 'uT8sgWs1/+Suaokz60fw8jMdJ1bGIm3MS15hODi1kYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )