UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hkd7o9jFVAQwhZiQc7kGh57NqNunZwz2vdHnClIltF8=' 
WHERE 
  key_id = 'b591f1fd183eeb8669dec24871774d79accb645e4587a631044b090e96d781cc' 
  AND (
    token = 'hkd7o9jFVAQwhZiQc7kGh57NqNunZwz2vdHnClIltF8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )