UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0a+RsBeObV4YTxxGqTaBGHDj6CRIb7vzVfMtCkDrhUM=' 
WHERE 
  key_id = '950c417677499ae70b5820b416bf0521aca4181fd2eb69601883b81137d2f690' 
  AND (
    token = '0a+RsBeObV4YTxxGqTaBGHDj6CRIb7vzVfMtCkDrhUM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )