UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xnFfakcSVWbDqwTSmeU5ZEMV4fPH2+ZdUANvyBK0FVI=' 
WHERE 
  key_id = '85c12102f1cdaece29db39de48e3a29771b9a37434e243c2b7d2fe1246a12ac8' 
  AND (
    token = 'xnFfakcSVWbDqwTSmeU5ZEMV4fPH2+ZdUANvyBK0FVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )