UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h8cRVm2/L1lrgGPuoMKi5/2xSIkh6KvbniSSgT1T/tE=' 
WHERE 
  key_id = '6fe2046e7c542384ba10cda811a728d655020a7690c02678e2591700d72f5d25' 
  AND (
    token = 'h8cRVm2/L1lrgGPuoMKi5/2xSIkh6KvbniSSgT1T/tE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )