UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PZRzbc43YEAme4dBIGf8mstSxbMEJal5uCyB9cfNSc=' 
WHERE 
  key_id = 'd253aab76690e2fb0c2b1505b96b6f7b2e14125af10251cde0daad548b1b712b' 
  AND (
    token = '/PZRzbc43YEAme4dBIGf8mstSxbMEJal5uCyB9cfNSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )