UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HtutPq6p7tpqOHjAKQiPM7v0J3TYpcw1aCsP/UY6bSw=' 
WHERE 
  key_id = '81ddfbf75f953def54d057286804338cf0b229f28056b76e77912d2e88c4403f' 
  AND (
    token = 'HtutPq6p7tpqOHjAKQiPM7v0J3TYpcw1aCsP/UY6bSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )