UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c6cgcEg0gcJCJuYj8rtyffTZyUlBP7rso7bwTRVQvTI=' 
WHERE 
  key_id = '91a56d8ae2895a61d487550aa58bed1dd8a4875f75f79b1b7f925c1248de8822' 
  AND (
    token = 'c6cgcEg0gcJCJuYj8rtyffTZyUlBP7rso7bwTRVQvTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )