UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C2RpFLmUd2Fkos4sz1OQhiXsEHzy30G0CrW4C47AFII=' 
WHERE 
  key_id = 'e51e9d692a3399362969041d490a68e89a62358ba0f88d614b313732b571660d' 
  AND (
    token = 'C2RpFLmUd2Fkos4sz1OQhiXsEHzy30G0CrW4C47AFII=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )