UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dn3737JcRPmPX6mlJqOfAvYA3TBFzNlLFLWEyvPVjmA=' 
WHERE 
  key_id = '70c7e033f408007858d175b17f007fac2500bf41ad7455ee1c75c9886208236a' 
  AND (
    token = 'Dn3737JcRPmPX6mlJqOfAvYA3TBFzNlLFLWEyvPVjmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )