UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JnexmL2IKxYYhUtOTlMNLkmYgcdQi3fO2MvVZH8npLc=' 
WHERE 
  key_id = 'b38fc6af08dbdc5c9d9a137985e1206cec5e06ced4d086504a0e87ebe1bd8674' 
  AND (
    token = 'JnexmL2IKxYYhUtOTlMNLkmYgcdQi3fO2MvVZH8npLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )