UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdW8Ng6hr798rMLKugJIv8A2hnt/QgZlug66bBZbzdw=' 
WHERE 
  key_id = '5d826e41d0068d51787fd8ec2a4f1478f2578286c5a5085a49864760fe68a406' 
  AND (
    token = 'mdW8Ng6hr798rMLKugJIv8A2hnt/QgZlug66bBZbzdw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )