UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SA5nD7qxRhtwBhIO0FYZDx6JrszOL7wiHgP13O2AUdc=' 
WHERE 
  key_id = 'aa50fb498519bfd8b0da55485ef81c8428e2d64c0ad8db21a2b0476f0b7662ab' 
  AND (
    token = 'SA5nD7qxRhtwBhIO0FYZDx6JrszOL7wiHgP13O2AUdc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )