UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/PEZvBOLetg23BFR2it+FtVoRYtejdKP64ylW079L7Y=' 
WHERE 
  key_id = '3839b0c8b72d2ef6a4e1ad368a82761354af5567dfa5d2437326e5577f9385e2' 
  AND (
    token = '/PEZvBOLetg23BFR2it+FtVoRYtejdKP64ylW079L7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )