UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UOJ4XJFCgkaEYvtYw8s319RX+kLenAwbq6YlauNTpNc=' 
WHERE 
  key_id = '873cad2f5a8ce3733d432562446d235c951ddb464647513971645ff389ae6ee6' 
  AND (
    token = 'UOJ4XJFCgkaEYvtYw8s319RX+kLenAwbq6YlauNTpNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )