UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PcNpwm32f/8mKLIBSimTWXLEdq3AXCyUlnsdCyjWF6U=' 
WHERE 
  key_id = '6c39ae0d7bb8ac6db5d621c3465c743a11088e5fce84741072c58f4732c69a71' 
  AND (
    token = 'PcNpwm32f/8mKLIBSimTWXLEdq3AXCyUlnsdCyjWF6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )