UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PrxGtz/wFPgZACzseG7pwoyS14D4C9fRwjWL7B8aUVc=' 
WHERE 
  key_id = 'e5455934f4a1a370bc4ad97d161d6aad9646487b22b021862ba45e6447842d29' 
  AND (
    token = 'PrxGtz/wFPgZACzseG7pwoyS14D4C9fRwjWL7B8aUVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )