UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x/yT6rqAfBNXZf6O5X2OUTQannEydFQMSBrXw1iOY78=' 
WHERE 
  key_id = '1517b07cdb237f7de5cd88e6a6cbd204c9931abb23e661d732f0b08553294b05' 
  AND (
    token = 'x/yT6rqAfBNXZf6O5X2OUTQannEydFQMSBrXw1iOY78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )