UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sSRK9ZsDkESJTSuwqrRZWtOPn/EEGUHSNWH7cut5Fus=' 
WHERE 
  key_id = '91d3934e5a07fdbdabebd5ea6c0a91940d72741743f60987fc898c2d9da61f95' 
  AND (
    token = 'sSRK9ZsDkESJTSuwqrRZWtOPn/EEGUHSNWH7cut5Fus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )