UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZnN/ER+YwhiYcZjL6baNyfmG5xOhgQWZSzE7DutDEiY=' 
WHERE 
  key_id = 'a040f1dc59ab9099330d50d17d53c7075b1db547f156c8e58e36a88b1e8f40a6' 
  AND (
    token = 'ZnN/ER+YwhiYcZjL6baNyfmG5xOhgQWZSzE7DutDEiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )