UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'flztLZ6YfPMHuLg7QuDGqmrt02lG+38JzeWYY3BIwHk=' 
WHERE 
  key_id = '46e8b71aa3566b7c07b2d45ce707e3ef46206467d26daba4249735c400269e64' 
  AND (
    token = 'flztLZ6YfPMHuLg7QuDGqmrt02lG+38JzeWYY3BIwHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )