UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PpZtjXYqdp4fKKfhUJX/7uiBbwIMqnT3IWE3YrN1Ab4=' 
WHERE 
  key_id = 'fc6b5b1f3995fe412eaa7c78e4fb265d9ac1e6ac378c34b645fe7b69f4685457' 
  AND (
    token = 'PpZtjXYqdp4fKKfhUJX/7uiBbwIMqnT3IWE3YrN1Ab4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )