UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nJmUNk6mLL36EcwhmyzYS5uCP/fUbOrGG1pZBerl0ow=' 
WHERE 
  key_id = '6d849d8ae8bd9f35a9a216f97fd5d60586337a84113a4131546913ec95aabf06' 
  AND (
    token = 'nJmUNk6mLL36EcwhmyzYS5uCP/fUbOrGG1pZBerl0ow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )