UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wcspi7dQXp9rfhXXV1QIWKRxJlE0NDiPrXKtYn4c/mI=' 
WHERE 
  key_id = '791231aa3802177cfa67957d87f4545aefd97b06130e804ac31c050a7794a2dd' 
  AND (
    token = 'Wcspi7dQXp9rfhXXV1QIWKRxJlE0NDiPrXKtYn4c/mI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )