UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ml8Hny8EurrbEpJwajuXnjZQOZNrQIZGfK2NvvSMKxU=' 
WHERE 
  key_id = '76188e5daf7f19fae214c2e98012166ce80892ed7f06a77a391111f3d1a75874' 
  AND (
    token = 'ml8Hny8EurrbEpJwajuXnjZQOZNrQIZGfK2NvvSMKxU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )