UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Si/iDBt1RdG+tX3H5+3CZnUBVbznDOaFVbYs1uoqn0Q=' 
WHERE 
  key_id = '42aadfa8b387807426df32408de604ef52222088034e2db9b5d3fae48583b7bc' 
  AND (
    token = 'Si/iDBt1RdG+tX3H5+3CZnUBVbznDOaFVbYs1uoqn0Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )