UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KnpL4Vte7uRyh2nljue4DT7aKjsL1X1vpUSP2V8KfNY=' 
WHERE 
  key_id = 'b7c9a621b903386ab1b7697de8900b7275cda8aa367571346d9e6c27910f57bd' 
  AND (
    token = 'KnpL4Vte7uRyh2nljue4DT7aKjsL1X1vpUSP2V8KfNY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )