UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I8tTvgXLoi+56nm55RkpOt3r+8dEbvnPuHgtFAyD9A4=' 
WHERE 
  key_id = '8894670ce6ea3bec95a84098f6ede1ded9995c704b588ae7a6da7e1862b649bd' 
  AND (
    token = 'I8tTvgXLoi+56nm55RkpOt3r+8dEbvnPuHgtFAyD9A4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031