UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pju/WAof3+Fjt5/DC+PsCw3vm0oPBdo6V8hUYHRLIuU=' 
WHERE 
  key_id = '1908851ba1755f1c7b34aaa331574ba3261a1a232ba90595a97de76a94877942' 
  AND (
    token = 'pju/WAof3+Fjt5/DC+PsCw3vm0oPBdo6V8hUYHRLIuU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )