UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tfib8QcR0cQmy/K9NOg1mp8KO7euFmcxCafrauyZofw=' 
WHERE 
  key_id = '40ef26c636071e79eef2319224e1039a2e1ab949f0e0e02c77745448d5807534' 
  AND (
    token = 'tfib8QcR0cQmy/K9NOg1mp8KO7euFmcxCafrauyZofw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )