UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CnJDa8lA5jp21w2GPv2JoovtIauDI4f/5YvNhyBXIro=' 
WHERE 
  key_id = '540af8784a393f34c9226f74c64cc1186e511d8229bb2ea1764e659dafe96153' 
  AND (
    token = 'CnJDa8lA5jp21w2GPv2JoovtIauDI4f/5YvNhyBXIro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )