UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BCXKp3EsJUmTPckBUbPkUAKMMcp8pJiVIdWtV+37axM=' 
WHERE 
  key_id = 'a48a639ed666080753cbb62a9d6178485750e389a264c36913a581b9add07eac' 
  AND (
    token = 'BCXKp3EsJUmTPckBUbPkUAKMMcp8pJiVIdWtV+37axM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )