UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u02QvfKEg8TIJlp9OK0vPd0H14lxzPcspG0NNbeNrSU=' 
WHERE 
  key_id = '6e28b64256a3de63eaa46fe34393ccc58f1556cbb9ad21f2117d579d95fa324f' 
  AND (
    token = 'u02QvfKEg8TIJlp9OK0vPd0H14lxzPcspG0NNbeNrSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )