UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'weRPF4BkVwU7OOguW2Gu6rhvGmRzq3gjncuzeYeBBfk=' 
WHERE 
  key_id = '8c0b401069d1ecc1e09eff42295f90500a8a40dbc3a94e52ad330ce4f2e84717' 
  AND (
    token = 'weRPF4BkVwU7OOguW2Gu6rhvGmRzq3gjncuzeYeBBfk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )