UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AVxgMGdZZhzkrLqOw9rZAvM6IKRBzYFycVGNeaExJyk=' 
WHERE 
  key_id = '6b82abf9058623cdaafcc0e005e19d7bc38e2bc38d30f9952555853f5a6afa20' 
  AND (
    token = 'AVxgMGdZZhzkrLqOw9rZAvM6IKRBzYFycVGNeaExJyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )