UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6PDEUXJ9/gRUzast6j3SF96ywsn93XJpOrydXdsyGVc=' 
WHERE 
  key_id = '02c9d6a03149a71951f1cc74a026d87a6de6ed323375f44596a98acc9ae5cc6d' 
  AND (
    token = '6PDEUXJ9/gRUzast6j3SF96ywsn93XJpOrydXdsyGVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )