UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't5acGg9Z27xckTSINJjalXuNHLjIFBKWTVJpw1JkjRI=' 
WHERE 
  key_id = 'a20e7b40be575b73b3d3434f0326fb4902690fa8c6de5d54b4a08683a4bef404' 
  AND (
    token = 't5acGg9Z27xckTSINJjalXuNHLjIFBKWTVJpw1JkjRI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )