UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tkS0kS/1riqqC6+T5w68xqj2zPUnrK4My564CiUDF+A=' 
WHERE 
  key_id = '684691bdd184118850145c05faffe7ae928abc96f5eae388ee47ec485e6ef131' 
  AND (
    token = 'tkS0kS/1riqqC6+T5w68xqj2zPUnrK4My564CiUDF+A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )