UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qT9Iu2RPCB5RdqeB2Agxpx51xZ+XazkZIdfeF/Mtn/Y=' 
WHERE 
  key_id = '15c1d5e4900f29143f5b09543e35727cd770bfd2b4fe56a80c704191ce760c8d' 
  AND (
    token = 'qT9Iu2RPCB5RdqeB2Agxpx51xZ+XazkZIdfeF/Mtn/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )