UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'cVuSqCvGPim2HSz2xMoHYNemfauCJQaCt3+6/tPtXk8=' 
WHERE 
  key_id = '875dcbe85fb09271a6aa9cc726f28fa770776537d1d34873ab59450e21f19ff6' 
  AND (
    token = 'cVuSqCvGPim2HSz2xMoHYNemfauCJQaCt3+6/tPtXk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )