UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4gwNVoAJqOh+qf8MTfO4i381BTos5/P2o5ZgwWCXA28=' 
WHERE 
  key_id = '6a70a98c20a3f3af5648edbe9d829f61aa5f122f251050255ea0a7ae19e7448e' 
  AND (
    token = '4gwNVoAJqOh+qf8MTfO4i381BTos5/P2o5ZgwWCXA28=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031