UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'knvt/fkcbhAXm+WqzNRA7QtWakwLEkcCtUAn7bXnYn8=' 
WHERE 
  key_id = 'e1be17fc06da266f891d968f31806aef576f8158d440e6bd2c33d83c6a43d674' 
  AND (
    token = 'knvt/fkcbhAXm+WqzNRA7QtWakwLEkcCtUAn7bXnYn8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )