UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCvujT7uR+Ht0KJWWsbqUQTBAkHnPr1b8gbQvxYk2CA=' 
WHERE 
  key_id = '597b336659c694435c739fd8833ebbf27daafb2356fbc7c28671a780aff77c4b' 
  AND (
    token = 'RCvujT7uR+Ht0KJWWsbqUQTBAkHnPr1b8gbQvxYk2CA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )