UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4EgSqDBTCYwCoCn/rmxdODvfcfAdIy7/pSKJwnCRGk=' 
WHERE 
  key_id = '4c326263a26b1ac67321fdd8ab2178b02ff9026ef01fc8b67b17be74232a4882' 
  AND (
    token = 'n4EgSqDBTCYwCoCn/rmxdODvfcfAdIy7/pSKJwnCRGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )