UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xWKJaPrdHQLxBUvaPLnNbZc13Mk8/DJRLHF/bLE+lE=' 
WHERE 
  key_id = '97e75bc84c9aac937c74bfbf95619e7cc576d1c1663cbc09f7c2b8a08c52b81f' 
  AND (
    token = '6xWKJaPrdHQLxBUvaPLnNbZc13Mk8/DJRLHF/bLE+lE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )