UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dnV9HzMFuuIE2jI1CNez0qBNgNIG6AXFLHOI/GXZ3rI=' 
WHERE 
  key_id = 'dcd19e660986750ff9da599a860d272cd70842e16fa67e6477a9096f42e3b179' 
  AND (
    token = 'dnV9HzMFuuIE2jI1CNez0qBNgNIG6AXFLHOI/GXZ3rI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034