UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nPxhVdxOmE41t1XAbDibUiZXaKWZkVywwuAcVQSYPkc=' 
WHERE 
  key_id = '6c90df2df1f9c1b6de861c444e621379c57372e827d81061e984ef8ede7a8ac4' 
  AND (
    token = 'nPxhVdxOmE41t1XAbDibUiZXaKWZkVywwuAcVQSYPkc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )