UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N36/txLq+qhZJ1osKEq8Bl2LfbNdGlgKx+q3i3A67oY=' 
WHERE 
  key_id = '947c9da9f4f896b7141cc456ff58010b45df917c835fe3031fdd5bbd3dfb5a6f' 
  AND (
    token = 'N36/txLq+qhZJ1osKEq8Bl2LfbNdGlgKx+q3i3A67oY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )