UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtBs8uzS2EfJHCyYexWLLwTkXLuBovXjROGhU+ws/QY=' 
WHERE 
  key_id = 'd6c3f42d6180e99e684cf4f09a8fbf451ba23df2c4111a56f018175db86f5475' 
  AND (
    token = 'PtBs8uzS2EfJHCyYexWLLwTkXLuBovXjROGhU+ws/QY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )