UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9w/nqHrXVOHryWgqQynCEXcQJTQN3d07b8aZ8kz6lC0=' 
WHERE 
  key_id = '51bcb8289cf828abacdf40deebfcf983eee71c28de282c19f6b96d8b28c3c7a4' 
  AND (
    token = '9w/nqHrXVOHryWgqQynCEXcQJTQN3d07b8aZ8kz6lC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )