UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't3EAmPmjVhXkIe65jP75YYiRQkqm1e/6JAgaoMr/kRw=' 
WHERE 
  key_id = '6e4da4a09bdf1a180ada89abebf99e432fbf2085c5c50538fd198a82b8d2fe87' 
  AND (
    token = 't3EAmPmjVhXkIe65jP75YYiRQkqm1e/6JAgaoMr/kRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )