UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd5kFGA8WJIWxrJxxky+zLB4KZ/JkqAZLT4TP4WXMv/k=' 
WHERE 
  key_id = 'a6de3ea642623e87aae3fffa548aaf789499036cdd759bfff74d09535848053b' 
  AND (
    token = 'd5kFGA8WJIWxrJxxky+zLB4KZ/JkqAZLT4TP4WXMv/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )