UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4FXVWFimkSJtom7tAnj7ngexFoqL9TMUi4tISJGLw4=' 
WHERE 
  key_id = '812805f3bebc3bacd3e2797ded4bf0ea95df2ce708e2a094a80a8cb0a5fc480f' 
  AND (
    token = 'n4FXVWFimkSJtom7tAnj7ngexFoqL9TMUi4tISJGLw4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )