UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8WBCcEfRx2WsZcB2x1eyqHemHo3ixT2Niwyy3jNY2MI=' 
WHERE 
  key_id = '279c45a30d9fd6382ec1072023866b568e913fd230b292f79d928e91a69accbd' 
  AND (
    token = '8WBCcEfRx2WsZcB2x1eyqHemHo3ixT2Niwyy3jNY2MI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )