UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VUIpNsBghYnsg1NZ3TsP0u49rT53Qh5UQK2saAq9DPg=' 
WHERE 
  key_id = 'f6c3573e9fc0b3923c61ee4de93352512ce7a1448a79869a477745d353586694' 
  AND (
    token = 'VUIpNsBghYnsg1NZ3TsP0u49rT53Qh5UQK2saAq9DPg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )