UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K4T9KhpkdEhmKrw2G71r4MwezaJ89M7mZ9EwkMjP4qU=' 
WHERE 
  key_id = '77975cfdc5b01f52dc10ef34431cf94ea82da7bdc2571a6b3279f3e8451f46be' 
  AND (
    token = 'K4T9KhpkdEhmKrw2G71r4MwezaJ89M7mZ9EwkMjP4qU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )