UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FxRf76MUN8S3Z9GqeXYe/JkH26AHOlC0NEvCiNFyrjE=' 
WHERE 
  key_id = '6493f03f8eca1d21a00cc8924469a0c31f8473b2b1dac5ddba7935f1132c7478' 
  AND (
    token = 'FxRf76MUN8S3Z9GqeXYe/JkH26AHOlC0NEvCiNFyrjE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )