UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '123NgYnKXcXX1uBoPNe5AD49rN2kUDBLPdsMg2OwCMg=' 
WHERE 
  key_id = '64d1c54f147d37964a3496842ea33eef629e2ecd489f52edfc0a589424d53133' 
  AND (
    token = '123NgYnKXcXX1uBoPNe5AD49rN2kUDBLPdsMg2OwCMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )