UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nCwTiU9J7uZldpkZogzqFsEgxdFo2nIvgSFaJvTrTZg=' 
WHERE 
  key_id = '1b50b902a6aa3b34964eb9be400e6046ec26987e01ac3ff7f9fe35a9b31c21d9' 
  AND (
    token = 'nCwTiU9J7uZldpkZogzqFsEgxdFo2nIvgSFaJvTrTZg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )