UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qUhkciTitnXfyByLX1/KfGBbVRf1c1UreA0H6q/fvLQ=' 
WHERE 
  key_id = '20b6c90be24e7e6cf900d198d1f54a2d7eae46dac5b61dea9c831c1910364817' 
  AND (
    token = 'qUhkciTitnXfyByLX1/KfGBbVRf1c1UreA0H6q/fvLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )