UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6MfzgjHud9MdaewjQfec9fWFmZMLLhJdkLj/0+5fGuw=' 
WHERE 
  key_id = 'bc6e5a7c828c719c42471a09431a077cd85b911fe751c77eae0954913ecc572e' 
  AND (
    token = '6MfzgjHud9MdaewjQfec9fWFmZMLLhJdkLj/0+5fGuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )