UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CHmh/hiNj4d0W/GRKUf9IJu6Dl9WlRS+wKCekjIoH5c=' 
WHERE 
  key_id = '4a51ce2c7ddef0549b88f31b5d691c17d54ae61da2b99eba118d8346c0cfa805' 
  AND (
    token = 'CHmh/hiNj4d0W/GRKUf9IJu6Dl9WlRS+wKCekjIoH5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )