UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kIp8wYJsRfbgg997PKN7egkY6d4fgzz6A+nWzblVFDg=' 
WHERE 
  key_id = '20e1c17ff5d73113536175b866923d426713243ef928e670e063d59a15008093' 
  AND (
    token = 'kIp8wYJsRfbgg997PKN7egkY6d4fgzz6A+nWzblVFDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )