UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KV5I3UEO8gbUDZ7mtG5Mv+JS7P02aNw5P3HFAfTr+Tc=' 
WHERE 
  key_id = 'e8d06ba8c71e0dff08a4d17d63e007b896eaadf1347997e03b6c808ddb12e62e' 
  AND (
    token = 'KV5I3UEO8gbUDZ7mtG5Mv+JS7P02aNw5P3HFAfTr+Tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )