UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21rQHI+c+DGo8U8cc5xg7xE2hIrkPxDnpXyUmkpZWco=' 
WHERE 
  key_id = '873759af620056a065003474e4f8b96a31971b9b2a5be856ad980e57889614df' 
  AND (
    token = '21rQHI+c+DGo8U8cc5xg7xE2hIrkPxDnpXyUmkpZWco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )