UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/aYLyQBMEkbYPCVsvGoDcCMvGrDMr4btOCyXVv6fzmA=' 
WHERE 
  key_id = '34e0647020d4333d93ea6e44308ec917a258c6bdc319e07ce5efec726618444a' 
  AND (
    token = '/aYLyQBMEkbYPCVsvGoDcCMvGrDMr4btOCyXVv6fzmA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )