UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6zEztwiKcIa+YHQp4+T0o9hv9IEYlXF2xEgkLMKNGE=' 
WHERE 
  key_id = 'ca5c25d72c55c3e2d8c3507ca4300c871d61b53c8e1c8fc964f210f155f609c8' 
  AND (
    token = 'R6zEztwiKcIa+YHQp4+T0o9hv9IEYlXF2xEgkLMKNGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )