UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nNZdI66HNOaqiAFKTZYgD0PPq6XVwKuSBuupYnAkzCs=' 
WHERE 
  key_id = '40c6f45364179bafe4b66109acadc2e0ed52e363257e5bab66e60c05f1ab47e7' 
  AND (
    token = 'nNZdI66HNOaqiAFKTZYgD0PPq6XVwKuSBuupYnAkzCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )