UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qkGlbhOgMGusWQ6QkV8v50jhKcbFpU7m35rwWJAPVYc=' 
WHERE 
  key_id = '968b4c52555a30d214a8589f288ab182b96a8c615eb2644586b2f4d46258f51f' 
  AND (
    token = 'qkGlbhOgMGusWQ6QkV8v50jhKcbFpU7m35rwWJAPVYc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )