UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fLn+aycJFFKFg7wWM1URsIgEVcWhe3XpNTCAdlcbSu8=' 
WHERE 
  key_id = '976c1ab8d33532ba0a6985b3940b8f18f1f8d3113405ddaa58e57b16aac0de13' 
  AND (
    token = 'fLn+aycJFFKFg7wWM1URsIgEVcWhe3XpNTCAdlcbSu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )