UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eBa5BbTVd0a9qplj8qZkiI2WiDqugrusKqB6HQMm0cU=' 
WHERE 
  key_id = 'b6e5e2e637930ffc86d061c436d60610b47467f06550f089b44cf0e7f1c231e7' 
  AND (
    token = 'eBa5BbTVd0a9qplj8qZkiI2WiDqugrusKqB6HQMm0cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )