UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N8aoxliebubi6bTY4Xoy9OH73m9SfL9VP9I+R/N6R/0=' 
WHERE 
  key_id = 'ea737f447402e156882a3388302ed36b1c79780b9360cc62f6c468f08ea71602' 
  AND (
    token = 'N8aoxliebubi6bTY4Xoy9OH73m9SfL9VP9I+R/N6R/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )