UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCVME5vyoWyjgDIAX2FBO3FMFFfGiN8km0k2ersINmo=' 
WHERE 
  key_id = '6718c7ecf1bbc61d31794a914d42b2e5dfe2340fcc4611b869318e34d06806d9' 
  AND (
    token = 'PCVME5vyoWyjgDIAX2FBO3FMFFfGiN8km0k2ersINmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )