UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VZwZZGNyFD0kGDFdt6V2LQTAgCkL54RKkVeDEVFau7Y=' 
WHERE 
  key_id = '550d201d00bcb4dc11a8d6eacb6685e640a51d66019005469a96e5f507f4f771' 
  AND (
    token = 'VZwZZGNyFD0kGDFdt6V2LQTAgCkL54RKkVeDEVFau7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )