UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k/KdUPn8m18IDg38Wj/3PSFo9U/JgeFG6VeU7CFB2i0=' 
WHERE 
  key_id = '99f8ebe70e1511d479b823ca9fe60e495b402203ef85f5ad0a71636118281a7c' 
  AND (
    token = 'k/KdUPn8m18IDg38Wj/3PSFo9U/JgeFG6VeU7CFB2i0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )