UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLp+4cztJabVMYdYoFhWaFNOkYHY7svt1OP3auudyb0=' 
WHERE 
  key_id = 'a561c8edf27d74402fe10f644bd7d2d498ea8fadc1d3ba78143ab67fbc035665' 
  AND (
    token = 'RLp+4cztJabVMYdYoFhWaFNOkYHY7svt1OP3auudyb0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )