UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gSUawQ5A8/YY/DNSEarIfasUX9gT0eZG8TJ3jSlPXkg=' 
WHERE 
  key_id = '51a02f4df91c3db8a29de8d32fef2f69a751364cf709bc3042f220dcfe96f138' 
  AND (
    token = 'gSUawQ5A8/YY/DNSEarIfasUX9gT0eZG8TJ3jSlPXkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )