UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '83A3KbNTVPvi0iukzTqYKJgb8Ckz1dDW5TL6yNDBwZw=' 
WHERE 
  key_id = 'edf81b920ee1480d8bf18659dca087e91f6eda221dc74f9fe49931442a8e62df' 
  AND (
    token = '83A3KbNTVPvi0iukzTqYKJgb8Ckz1dDW5TL6yNDBwZw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )