UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4M46MbTQkXNCpUSBNjur9yWX0oei28pvsHMMqgYvYVo=' 
WHERE 
  key_id = '17ffa665b9230675cc2b55673f5a1929401becc1ec71adc55d85c30a2ef5f8c9' 
  AND (
    token = '4M46MbTQkXNCpUSBNjur9yWX0oei28pvsHMMqgYvYVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )