UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KrpRzaTzYa0iKgfp2OrIbUUJs9VSiZCe1mfmqfjr/30=' 
WHERE 
  key_id = 'ce5574040ec8b93c88a6698994a191d2e5337c434ef97058baec1e8ed8a26e8c' 
  AND (
    token = 'KrpRzaTzYa0iKgfp2OrIbUUJs9VSiZCe1mfmqfjr/30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )