UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y7HuQBRJlmTgy2EHL73c6cm8nlIPtYqjth/7vZ5+kxA=' 
WHERE 
  key_id = 'aa52c6c541a51dc1c8f75852648862e7d5398f06c31256ee9cc63147030e83de' 
  AND (
    token = 'y7HuQBRJlmTgy2EHL73c6cm8nlIPtYqjth/7vZ5+kxA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042