UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RTK38vp195yVSfFNgWYR1Cc7BMIEz+yu9vCd3CDq/RU=' 
WHERE 
  key_id = '55584adaf5e911b9a0d5fa902e9319cc016efa9e4f7b7741761f94f7102cdf3f' 
  AND (
    token = 'RTK38vp195yVSfFNgWYR1Cc7BMIEz+yu9vCd3CDq/RU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )