UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9gfVqi2SSSgVrOY4id4MxHyMELo9kcAl3fpn9FmKUXI=' 
WHERE 
  key_id = '851d62ee12abad4b129df347dfc32ebac63b4ea4d4d633601e2b659d616a61a4' 
  AND (
    token = '9gfVqi2SSSgVrOY4id4MxHyMELo9kcAl3fpn9FmKUXI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )