UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMYPVQUyRXBgsfEJu6NzhLyZtOCMxfZfJV1BsDf2CdA=' 
WHERE 
  key_id = 'c40a2bb5a064168e9286c7f73c7fae10eb7492661a2d00c686de067d565303ad' 
  AND (
    token = 'tMYPVQUyRXBgsfEJu6NzhLyZtOCMxfZfJV1BsDf2CdA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )