UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bu3XlArIJTHlPDWSzLav43MV8qvfKvBOAxplZvSFgY0=' 
WHERE 
  key_id = '4f872470c8f28f3214855d81fa5bf7418046f7388a28cc5e097f4ccf5b52749c' 
  AND (
    token = 'Bu3XlArIJTHlPDWSzLav43MV8qvfKvBOAxplZvSFgY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )