UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNG5HAA892V1yd4zANqz9eiKyYC1n76srdAb/2zUpwE=' 
WHERE 
  key_id = '720c93a7ee2500bcb688036f5bf59783b16fa96fdb939167034fca0ce055f489' 
  AND (
    token = 'PNG5HAA892V1yd4zANqz9eiKyYC1n76srdAb/2zUpwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )