UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PLOk77x7xWV5cMuemK8DcXkG9tljociLEP22jW9mK4I=' 
WHERE 
  key_id = '979f45117ef018652aac0617139dbfb25a91e68c6d56fae040be0159be757e63' 
  AND (
    token = 'PLOk77x7xWV5cMuemK8DcXkG9tljociLEP22jW9mK4I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )