UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rFCT1uCkTyu3HON4ghPnVpg8pSlNj//4KjBd1wN5ocg=' 
WHERE 
  key_id = '873c61f3e171a523b074bed87d6c961b7d881f91d5478d7205d215ff52cf5b64' 
  AND (
    token = 'rFCT1uCkTyu3HON4ghPnVpg8pSlNj//4KjBd1wN5ocg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )