UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '99yuhbvoTpjdgki7xIImYSFiDFFJNT9izeSRb8YkGW8=' 
WHERE 
  key_id = '21a190105ec79685e06c1bf3e4fb85aa380b541fc97334f64acf1abe29c97c78' 
  AND (
    token = '99yuhbvoTpjdgki7xIImYSFiDFFJNT9izeSRb8YkGW8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )