UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'djCAb2nodEgrRMXkIg8uOqvM2fEJMnXfY3Y6GhHupKE=' 
WHERE 
  key_id = '7b276f68aae12d299c3aa550331d23a20e79f180559dbb60d5b2142ee55df601' 
  AND (
    token = 'djCAb2nodEgrRMXkIg8uOqvM2fEJMnXfY3Y6GhHupKE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )