UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3pXlfLxmKFZ4nOodPQCNs8HK4fa2yZ44uXCG8B/gI0=' 
WHERE 
  key_id = '551296635ea9c9f25452953cdf39704f44ca4a421834b0f04872941787faa422' 
  AND (
    token = 'u3pXlfLxmKFZ4nOodPQCNs8HK4fa2yZ44uXCG8B/gI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )