UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cust5w/gI9gteznEtxdpD/WgSeklIgPFUXiXQt39oOI=' 
WHERE 
  key_id = '8db333927436fa1d62da718ca2781256dbecbf9085bed25afe0179a7390b0946' 
  AND (
    token = 'Cust5w/gI9gteznEtxdpD/WgSeklIgPFUXiXQt39oOI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )