UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUBPUeCZM1TtA/hLninpOHePSoOeqJppEgirDraoi5I=' 
WHERE 
  key_id = '99b7a1cd48b3fe77a64a4236f610bd17553b07fa477296d34634139523c18cfd' 
  AND (
    token = 'mUBPUeCZM1TtA/hLninpOHePSoOeqJppEgirDraoi5I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )