UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OujAyBF/fHzd2TQwF3eKqlF6BdRWRw5rChi4KEBhEoM=' 
WHERE 
  key_id = 'c948c76e9af871582dd190ccadfbe8969785b05696d4099217035bcfd78a023a' 
  AND (
    token = 'OujAyBF/fHzd2TQwF3eKqlF6BdRWRw5rChi4KEBhEoM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )