UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O2WDkfUwqpeXgVvCiEHwh7RzL9vSiwrktAAMDNGi5ls=' 
WHERE 
  key_id = '51453e08eb186cf03c2210160cd316da5ca657d1bdfc72ea2f6af0c40b5fc419' 
  AND (
    token = 'O2WDkfUwqpeXgVvCiEHwh7RzL9vSiwrktAAMDNGi5ls=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )