UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QPVb5+hhvEUrKGJerVRzDmrO/Ipt4FFEjLnHQdvBijk=' 
WHERE 
  key_id = '79495ba1bc2e023b2beb53e3a3a9e6d83fb7727f639ddbe2dabaec357fcf3c73' 
  AND (
    token = 'QPVb5+hhvEUrKGJerVRzDmrO/Ipt4FFEjLnHQdvBijk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )