UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd2tgSFYJAAVAQ6Ox1ECYYZ0zrX4PrJ2HtrtfxaGNUSU=' 
WHERE 
  key_id = '3be08bca87b2b83e6bc7207a368a958544d2286a523c17f5ba0225423d649c31' 
  AND (
    token = 'd2tgSFYJAAVAQ6Ox1ECYYZ0zrX4PrJ2HtrtfxaGNUSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039