UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NJjmam7BaFlRQrOeUojGp3iOuGDVKSuUcsKTSxbrpOU=' 
WHERE 
  key_id = '83f35fb438fbc424a78dc2e8892bf06cec5cb32a44b142a01e427db379609650' 
  AND (
    token = 'NJjmam7BaFlRQrOeUojGp3iOuGDVKSuUcsKTSxbrpOU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )