UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KBNkt+hlm6bUlhZuzA6oigAnDN0gB6/emg71sw8vDf0=' 
WHERE 
  key_id = '70499584bd3c5da95d4080d51ef1ea284485a1d3d404a774af096d801f880751' 
  AND (
    token = 'KBNkt+hlm6bUlhZuzA6oigAnDN0gB6/emg71sw8vDf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )