UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4VjtoTzKlevPefbDB3yMa1ZedqzfsFBhcjj/xZIgAc=' 
WHERE 
  key_id = '9481c449e00746bc93bac6e70ff934d723264f4fc053ce661d0f1578852a6350' 
  AND (
    token = 'a4VjtoTzKlevPefbDB3yMa1ZedqzfsFBhcjj/xZIgAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )