UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uBWX7mpnGBCfCKCAzXtCV1fmYxjXeLxBvIqoxqUlhCs=' 
WHERE 
  key_id = '539fd75f9bd292dd24cd680da0d2bf8205f1e47b55fbafba261d30aca0186287' 
  AND (
    token = 'uBWX7mpnGBCfCKCAzXtCV1fmYxjXeLxBvIqoxqUlhCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )