UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M4J6NFd0tMf3mahJyS3AxWq0+gBFYoVAi1EJeZZXWyI=' 
WHERE 
  key_id = '6a948d2fd4cefae4518876c1d0fc0b89dad819beda43b49dbd9407f0150c2f16' 
  AND (
    token = 'M4J6NFd0tMf3mahJyS3AxWq0+gBFYoVAi1EJeZZXWyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )