UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l7zamYR2Vyjl5goFoj7TmHDfbdu5c5BYDSdmblUugjY=' 
WHERE 
  key_id = '2a50dd29550ce33e4e16d3cd66af2aec51462a6bd4c28ef5126307058a81cff8' 
  AND (
    token = 'l7zamYR2Vyjl5goFoj7TmHDfbdu5c5BYDSdmblUugjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )