UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/U6RUay9/wOKXtUXp7q7lj8Qc5ulDmxIglK6colGc3c=' 
WHERE 
  key_id = '955fa19378a94afd37d6f3be851ffbbcfc0cab55d1d972a4934756c64a83a5f4' 
  AND (
    token = '/U6RUay9/wOKXtUXp7q7lj8Qc5ulDmxIglK6colGc3c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )