UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6TWRxbfdO13jrpD2lfW7hU4RuRPpXBqlNYeWdY0U2yc=' 
WHERE 
  key_id = 'b4bbec12981b384af0221d3ce45fd971143c5b84b031d82ecbaeaa0abf380f75' 
  AND (
    token = '6TWRxbfdO13jrpD2lfW7hU4RuRPpXBqlNYeWdY0U2yc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )