UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xVKQbV7s9OAwKjIL6alhWDfXZUigexgeuaY50owZ7ns=' 
WHERE 
  key_id = '875f9a21b7ac10d2bf5a07babcb73921c9f771933ef1088a6b7a2d03456188ad' 
  AND (
    token = 'xVKQbV7s9OAwKjIL6alhWDfXZUigexgeuaY50owZ7ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )