UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6mFL7J9LjzTgDKWzCTYkRTdg8JeyY2fOrAgZ4kGuAQY=' 
WHERE 
  key_id = '393f226113f9b7df7e0646949d077f6920e57e459e1912cf6f3abc4a4a992660' 
  AND (
    token = '6mFL7J9LjzTgDKWzCTYkRTdg8JeyY2fOrAgZ4kGuAQY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )