UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yX79Eo8hSnE05bbyzOM833y6bO3UMuyUL7DxDUWlgnM=' 
WHERE 
  key_id = 'a84121e439bd3b289b667e3780039c11e8c5e4a2c6a0691f03d88f1f69478ab3' 
  AND (
    token = 'yX79Eo8hSnE05bbyzOM833y6bO3UMuyUL7DxDUWlgnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )