UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yVsKN8SUjP1MEuZhMSj791nNpTrDm2kZPxgGmsqUGzI=' 
WHERE 
  key_id = 'a68d44fdc575c2ce979e6fba1b0c0c081411698a09fbfcd241a894fbf03da392' 
  AND (
    token = 'yVsKN8SUjP1MEuZhMSj791nNpTrDm2kZPxgGmsqUGzI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )