UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bb1PdDK0bucNvjNtsUffJpZNmq1foDiebwrrjNJi0IE=' 
WHERE 
  key_id = '50b0263d4f9add0c8b53351bddb2da91fa81669c4b5635286166ff696aabcc1d' 
  AND (
    token = 'Bb1PdDK0bucNvjNtsUffJpZNmq1foDiebwrrjNJi0IE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )