UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bnPZhxAvhUDdf8cDOwg7OMrdyAdUt8mnYUzZxseD2rM=' 
WHERE 
  key_id = '839e819c3b4149ec82935b7bed0fd66be3ceaab37d9d2c56d760350191c91d77' 
  AND (
    token = 'bnPZhxAvhUDdf8cDOwg7OMrdyAdUt8mnYUzZxseD2rM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )