UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xcMHGv7k76iYfdBGYxrDh9DAvdiQmpCpVEHhqlv48fg=' 
WHERE 
  key_id = '41b6aa79d0850bf788f460cea26397f376d1e9b8da2d776d64b41fca68673387' 
  AND (
    token = 'xcMHGv7k76iYfdBGYxrDh9DAvdiQmpCpVEHhqlv48fg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )