UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4rjlVbd7ZERNr4iQv5nYnuDe5wkAnwiS7zwEWif0yPM=' 
WHERE 
  key_id = '7876e73aac6e985c2fabfb3fb1905b3cf7ca84c728d2969a01aa78a8b86d6d5f' 
  AND (
    token = '4rjlVbd7ZERNr4iQv5nYnuDe5wkAnwiS7zwEWif0yPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )