UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5BgajSEWEJEesLys16iy+RmhQalbAt5tZdjdAS8epPo=' 
WHERE 
  key_id = '4786937697eaaf14d6fce1322352410278ecc662893c128680a66840b055a99c' 
  AND (
    token = '5BgajSEWEJEesLys16iy+RmhQalbAt5tZdjdAS8epPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )