UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zG1o4mtI7jWnCmDnHs7vjorObflgvrmkLECDQC1FRmw=' 
WHERE 
  key_id = '31e53eb4e779de581c964f231b6c922011b072893a5edba3506bd60e9d570f03' 
  AND (
    token = 'zG1o4mtI7jWnCmDnHs7vjorObflgvrmkLECDQC1FRmw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )