UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TxyV70/kmMB69PJX5rYDrDT21v/dKfOzgEMlXOqFDIA=' 
WHERE 
  key_id = '239f7bb70aba9d37273ca1ad9e0428de28f22027d30b51bec94cce3a8355e8b3' 
  AND (
    token = 'TxyV70/kmMB69PJX5rYDrDT21v/dKfOzgEMlXOqFDIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )