UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTxZK3Cvaw+WLUDFTuJYogx8jYuIcHDk2LoSM7meUpM=' 
WHERE 
  key_id = '8ffde8b4d032355f1f4e342fc70c38f274f40720955d9780113080874b9b9e03' 
  AND (
    token = 'rTxZK3Cvaw+WLUDFTuJYogx8jYuIcHDk2LoSM7meUpM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )