UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '88WAuC+XEQERLd7NSLsKG/n7JmNm/lXkDf/gWeWNkjw=' 
WHERE 
  key_id = 'e3e2b57f5928b4a5aaf3fae853bc566a99b4492b34aa8d9e75492f88a54d4c31' 
  AND (
    token = '88WAuC+XEQERLd7NSLsKG/n7JmNm/lXkDf/gWeWNkjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )