UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/px7Zu0TIIPJcQM8wK0GzuTh63r2rgmEqNyYEKb1jEY=' 
WHERE 
  key_id = 'd9a273ea22e5010faa68d581125c476b53ac51327ba3522ddd563247b35f3e55' 
  AND (
    token = '/px7Zu0TIIPJcQM8wK0GzuTh63r2rgmEqNyYEKb1jEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )