UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qYCqSkh+Xa+V0smO/gBcGXnU7Po6hu5Y26EncXzFiz8=' 
WHERE 
  key_id = 'd8b4b99eaa522a82a48a9ed84a6677c6a81e3b62ec1211155716458c0eb79fa7' 
  AND (
    token = 'qYCqSkh+Xa+V0smO/gBcGXnU7Po6hu5Y26EncXzFiz8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033