UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkmkzY7eovBQQCVoR216nmlpZ2toHSgnk3kdqxe7pbI=' 
WHERE 
  key_id = '9afaa83de5afcb73eb42ec19721e0491bf579801da757977eedd97c91042d729' 
  AND (
    token = 'PkmkzY7eovBQQCVoR216nmlpZ2toHSgnk3kdqxe7pbI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )