UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cHcFlAmPQRw8XkEBnQhr677KCswTECJUYHM2SXW+dwk=' 
WHERE 
  key_id = 'b603260809a4d389f60e5cb92507dde4bf3998b95514bda7ebde0cef335d36e3' 
  AND (
    token = 'cHcFlAmPQRw8XkEBnQhr677KCswTECJUYHM2SXW+dwk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )