UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MnWZmU21Vcdd3Qalrf0mJl0Q3qBH1LrcLfdvFkm+Z2Q=' 
WHERE 
  key_id = '4b8dfc63d7cdb8e267db6cfecb24b26cb8b66f17579c917bf0fd05b30eb0fede' 
  AND (
    token = 'MnWZmU21Vcdd3Qalrf0mJl0Q3qBH1LrcLfdvFkm+Z2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )