UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5FZrkHpViYjUOzHGksVyqwd+X97q7aTeq7HFmljiRk=' 
WHERE 
  key_id = 'b6ddaaf99a954b530b4f20dc9f48dd698116a9cfebb7b89ca592e5c7906ba50f' 
  AND (
    token = 'a5FZrkHpViYjUOzHGksVyqwd+X97q7aTeq7HFmljiRk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )