UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZdeiP956V+EMj3Ys9aI610m7nK6GsFQYKdDSDFTX90=' 
WHERE 
  key_id = '8abc12e8eaa6a2648a5e43741c1b6e6dd65621f63221dddf8f45a6a9359154c4' 
  AND (
    token = 'nZdeiP956V+EMj3Ys9aI610m7nK6GsFQYKdDSDFTX90=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )