UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BUdtBj3gHrC0HpUkmVqTzsD2v1vnEtBiGpkAyGo/+vA=' 
WHERE 
  key_id = 'c18ee77f8b49d67981dfc5d784e557d2b9590f4d417dc38588004279270ee420' 
  AND (
    token = 'BUdtBj3gHrC0HpUkmVqTzsD2v1vnEtBiGpkAyGo/+vA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )