UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dfpIUuUFYAf9sRAzpwcoQiaEk2f144qj13UCFz+1w/Y=' 
WHERE 
  key_id = 'c4869635d084b7279ae58f83d619749b86c725581946d541d1bd6406ef39819f' 
  AND (
    token = 'dfpIUuUFYAf9sRAzpwcoQiaEk2f144qj13UCFz+1w/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )