UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6URHBoOgF/mwTMqiRd2s6nZhCRhixKRb5G7HqIhTLMA=' 
WHERE 
  key_id = '19b7f14d7a45a0fdd50c2e9f23018c941af3a4aace4a9d1c7f5e6e82c6c7eaf2' 
  AND (
    token = '6URHBoOgF/mwTMqiRd2s6nZhCRhixKRb5G7HqIhTLMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )