UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'F0TB8DRfD/PtGoW62g/XeEgvIHC7FnUVOa/DKj73FJc=' 
WHERE 
  key_id = '170f0d8f6a1f0a53468ef90d981302d27e05fea1a66d03d12561ae17ab485d2e' 
  AND (
    token = 'F0TB8DRfD/PtGoW62g/XeEgvIHC7FnUVOa/DKj73FJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037