UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '18ZxHzf7yVMkYgmn4BmMP3UDfNWpGShwGGXmX12Vcyw=' 
WHERE 
  key_id = '3cd2db7d63116655fb8d41f1938c619720d648befaca7ebfacb5836b504c527d' 
  AND (
    token = '18ZxHzf7yVMkYgmn4BmMP3UDfNWpGShwGGXmX12Vcyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )