UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1n+VgfFFJ7Oi6vvoXGH/IcEscAsD/drLx8U5jBKbttA=' 
WHERE 
  key_id = '493a165625ceedbe959704da3e3785975d116d7fa17275e7e08c0d6912e87a3c' 
  AND (
    token = '1n+VgfFFJ7Oi6vvoXGH/IcEscAsD/drLx8U5jBKbttA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )