UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iMQS/xbaEQA65+qZpoLrKdoGdZOOgIiDtgvi0wDWG3A=' 
WHERE 
  key_id = '54853568f540af805712b15485e5e2c0794e9138c69088d2bbad104d0635341e' 
  AND (
    token = 'iMQS/xbaEQA65+qZpoLrKdoGdZOOgIiDtgvi0wDWG3A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )