UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bk/5nWzDHszJuRa/mAId6+NMIGcgItyjTJRUlvLssQE=' 
WHERE 
  key_id = '91e88305260923fb4ddb2fff83b422aef729956d6389f6e9489b89ca1443da12' 
  AND (
    token = 'bk/5nWzDHszJuRa/mAId6+NMIGcgItyjTJRUlvLssQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )