UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '44CVscEKx9FSm40gHsLIaHB5ODBMugrJMDgUEhNKclg=' 
WHERE 
  key_id = 'cf29597a9e53bba69c0d5745fbbc6e639605431dce62254be013dc18e731b249' 
  AND (
    token = '44CVscEKx9FSm40gHsLIaHB5ODBMugrJMDgUEhNKclg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )