UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nC1HW6a296avpMNHM2XMMdZO6fX0eI1v1UPcpEkvmJY=' 
WHERE 
  key_id = 'b3dc6a7db31e6c58809ccbac9ccfcb06ab22e486c70c531ef554dcfe94af24c3' 
  AND (
    token = 'nC1HW6a296avpMNHM2XMMdZO6fX0eI1v1UPcpEkvmJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )