UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZHEL6Fv575LYttfXrF7dWflNZyWdwomJQoWSKtRFYic=' 
WHERE 
  key_id = '3c15ddc5eab6eb0a9f716403fedc6e34d1e2cd22dbd4b0796c3d407dfc73d0da' 
  AND (
    token = 'ZHEL6Fv575LYttfXrF7dWflNZyWdwomJQoWSKtRFYic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )