UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UKfTGNiNhld8XyiCGHwftoHpNfmXLrwS8tbje3fiKn4=' 
WHERE 
  key_id = '5193f78f20dc71413bed53e379df487a14bbcab7a9afab71b69db884f3cbb155' 
  AND (
    token = 'UKfTGNiNhld8XyiCGHwftoHpNfmXLrwS8tbje3fiKn4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )