UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fU8qERRGBw6KjO9HU274tmdrT1eTD4B940dwc976N7o=' 
WHERE 
  key_id = 'ecba48ec97549a4a43be1ecf7e96d6bbcededa2664672a12ab7b0af249821087' 
  AND (
    token = 'fU8qERRGBw6KjO9HU274tmdrT1eTD4B940dwc976N7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )