UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kvdys5Zyx6MUp8rn0Yzmgs9MmZAf51tyumZz3iX2zjo=' 
WHERE 
  key_id = '15608328be9200344de5655f7e7925240d58fa7b93625d28beb27a039a3b3498' 
  AND (
    token = 'kvdys5Zyx6MUp8rn0Yzmgs9MmZAf51tyumZz3iX2zjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )