UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vbj7wUZG0+MczCV2mjehbHlp4nBNI7b38kEGiXImM7I=' 
WHERE 
  key_id = 'c70d83aec6f4ce7fda37997c128b8d77468132c587689649affdff7ab85f7e68' 
  AND (
    token = 'Vbj7wUZG0+MczCV2mjehbHlp4nBNI7b38kEGiXImM7I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )