UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PULG1dYNjLDXUf4QMeMumpttuVCsmtoXVxyGctFZA/g=' 
WHERE 
  key_id = 'a399a30a784655526fc019a6896b3e92b4b331e83c141062518c84215656cd7b' 
  AND (
    token = 'PULG1dYNjLDXUf4QMeMumpttuVCsmtoXVxyGctFZA/g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )