UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekCvSVs6HFA19aJq63T8ufRqZvg9PEZcxZ6fRwTbX/U=' 
WHERE 
  key_id = '9e93b31e19a6beb34d371fd26e73b41f849a91f6a9278ac606db170cba54aa0a' 
  AND (
    token = 'ekCvSVs6HFA19aJq63T8ufRqZvg9PEZcxZ6fRwTbX/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )