UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uRl942EHGmZ5tR6zqkoZV9dgoRHrZVjTM39sDrhRGYw=' 
WHERE 
  key_id = '52c2c7a422006680bfe0739a3c36ed97146aa886b26be05696344c9a3490f1b8' 
  AND (
    token = 'uRl942EHGmZ5tR6zqkoZV9dgoRHrZVjTM39sDrhRGYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )