UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cAi/9kSo871SEu1HC46UoakRuSSE/wptM1kt7pz3EkU=' 
WHERE 
  key_id = '9296791f474a2eee60b1b1a841f3aeaaccab78350b7a9719f09a835a73af5cb9' 
  AND (
    token = 'cAi/9kSo871SEu1HC46UoakRuSSE/wptM1kt7pz3EkU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )