UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a77BMDRF1H411iQvam7jKuDa3Ib5EUoj9dvp4+E73Vw=' 
WHERE 
  key_id = '4844bda9809e25df20fb5995c90e944aa929b314c96caee5fd8d9c8e7d33a62f' 
  AND (
    token = 'a77BMDRF1H411iQvam7jKuDa3Ib5EUoj9dvp4+E73Vw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )