UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nqttZ1pv2yGrv6A5bRhn1tczpz11qec0vcFZOUOKFbc=' 
WHERE 
  key_id = '81ac2dfed0fb3da6f79af75fba9d6afa9896251ad7fe74a0cf8d8abe179979df' 
  AND (
    token = 'nqttZ1pv2yGrv6A5bRhn1tczpz11qec0vcFZOUOKFbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )