UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tfRUx/el7Mdspr8K18U9ZsGwvECIWDTwM3PkumBi4EA=' 
WHERE 
  key_id = '21c20425b64a4cfa9818a1a8359ba9d7f3dea500ac4c18ccb9039f1bde04f43c' 
  AND (
    token = 'tfRUx/el7Mdspr8K18U9ZsGwvECIWDTwM3PkumBi4EA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )