UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/f7shvwklsQQBsJEyjRcyFam5SQkj87QxHVG092fxw=' 
WHERE 
  key_id = '91bd8b165f080453e057d9a9f596bd78478752aeafdb612fae438c8d545a8987' 
  AND (
    token = 'r/f7shvwklsQQBsJEyjRcyFam5SQkj87QxHVG092fxw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )