UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6XAJF4EPnaL9QFpEqLsAxYLxaWDh/kfKJSLDMWGa8Lk=' 
WHERE 
  key_id = '640e1cf1466c688659bcf93aeefde39563e939969ea0ee521ab8fe27cb22f976' 
  AND (
    token = '6XAJF4EPnaL9QFpEqLsAxYLxaWDh/kfKJSLDMWGa8Lk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )