UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BAwJVrdJkuYJ5rc+eDew7rkG5aTT6nOurn8+Yii944=' 
WHERE 
  key_id = '0f3c3833b7de9a09e3602a595baf704d94be2fadf3333d0d494a4f1345f2da8f' 
  AND (
    token = '6BAwJVrdJkuYJ5rc+eDew7rkG5aTT6nOurn8+Yii944=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )