UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IBd8UhQuHzgv25XABfYYF0//+XlzDAymln6DISiRAKU=' 
WHERE 
  key_id = 'c28a83f71a263eed0b3f89170972b08ad11c68a5d8f12a425409d3da196a9731' 
  AND (
    token = 'IBd8UhQuHzgv25XABfYYF0//+XlzDAymln6DISiRAKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )