UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83v7zvA4qprl3RO7YVslJMy5BQkdSpGep+WDbyGQypE=' 
WHERE 
  key_id = '1675f9a4401204be46d1abe42af1028cfb73b864a855c01950e734eb0d19c9e6' 
  AND (
    token = '83v7zvA4qprl3RO7YVslJMy5BQkdSpGep+WDbyGQypE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )