UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VCUdAaQjmtRSfHX6WYyRMC4c8OUuluoaYobofa+Gf+c=' 
WHERE 
  key_id = '6c87ac1ac9c094ee85ea58cb37c06600f15064322faaf9debfa64670c65fbf8b' 
  AND (
    token = 'VCUdAaQjmtRSfHX6WYyRMC4c8OUuluoaYobofa+Gf+c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )