UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XmG8V02lleUVpykTIILy2H1IgZJSHjeBdyDgDqMnTVg=' 
WHERE 
  key_id = '6d687634c14e660165ecaa0354683f158fd66278bc18b9e349de62fcbf82d811' 
  AND (
    token = 'XmG8V02lleUVpykTIILy2H1IgZJSHjeBdyDgDqMnTVg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )