UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'buE7G901YSBNMiPRXdqzaCDdiUswVsx/IKjoWzeOJrU=' 
WHERE 
  key_id = '81c3c4ae6a09105e56e16d8fbf245de6a15d4773aec7ba6db9933b4d2843ad88' 
  AND (
    token = 'buE7G901YSBNMiPRXdqzaCDdiUswVsx/IKjoWzeOJrU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )