UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n8DZGSDoipq8fqCWNl1KK+aezfJA2LqNn5eL5JWAvic=' 
WHERE 
  key_id = '478c16fdce35fa598585757124b37314f854dedf2fcf39b97536d26c0adb47b3' 
  AND (
    token = 'n8DZGSDoipq8fqCWNl1KK+aezfJA2LqNn5eL5JWAvic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )