UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'fzG5lPhFBkVvyf8uBEyUNWJevhbCWZwH1KohtGGJKIw=' 
WHERE 
  key_id = '64448e3c66ee1388e1c6a79f89b8cd4445876a6af1894a415e9c7aec6716a989' 
  AND (
    token = 'fzG5lPhFBkVvyf8uBEyUNWJevhbCWZwH1KohtGGJKIw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )