UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4D+lyqmJFXVLLog5Hw0sfF48CNk8czN1mrRhtrKoTI=' 
WHERE 
  key_id = '2cc8a7b336880be0535b342f14e84395152343295b4cf75b22c3fd238ba5b86a' 
  AND (
    token = 'n4D+lyqmJFXVLLog5Hw0sfF48CNk8czN1mrRhtrKoTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )