UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mvbj+HP19rKLn1Yq2nwQLsk0qKfB6Zw4mHsVUWvi2IA=' 
WHERE 
  key_id = '81f4a8a49a27db1c668579075ae73528412d11e018f24be0a9e08219d3110af3' 
  AND (
    token = 'mvbj+HP19rKLn1Yq2nwQLsk0qKfB6Zw4mHsVUWvi2IA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )