UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mG/cQ5vswgzmvu2OdYhYs5y7HSL86Iku7fFkUfa1K1Q=' 
WHERE 
  key_id = '76648d01fda338c3c686513fbf262e87b79ba0040f2641117fb1ce8b7b98fc8f' 
  AND (
    token = 'mG/cQ5vswgzmvu2OdYhYs5y7HSL86Iku7fFkUfa1K1Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )