UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1O6N9/9SJnHg5ijzmfE2+5fKOxxd/iggjne7RALwHVc=' 
WHERE 
  key_id = '2e6ea9e826e591331e7234d680d7daf2a0163c146852a6edbee0d31036ceef20' 
  AND (
    token = '1O6N9/9SJnHg5ijzmfE2+5fKOxxd/iggjne7RALwHVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )