UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'elwDo+BWenivQWl61a058478M1SuFYiAe/IaKGT/Jh4=' 
WHERE 
  key_id = '6d44c92d78cb8996cc170d595b1f572a988366b2cd063d254b88b660b76b210a' 
  AND (
    token = 'elwDo+BWenivQWl61a058478M1SuFYiAe/IaKGT/Jh4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )