UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tWC9OjiSnx2SMiFyOvMf4BAOnWr6P14A4YpMk+z+QUg=' 
WHERE 
  key_id = '2c59308a1bef99199cbad360efa769fcfe998659cb6141b6cb8f311a0d87674a' 
  AND (
    token = 'tWC9OjiSnx2SMiFyOvMf4BAOnWr6P14A4YpMk+z+QUg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )