UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RvQECHVtPOhtp48sf7X9lHbF4zjDl02P7+gYKz1zZnk=' 
WHERE 
  key_id = '6b93f4263b7b0279b6b2f3ff2f0676d38cf56d5e51f74a0ab16d9b0fd93537ea' 
  AND (
    token = 'RvQECHVtPOhtp48sf7X9lHbF4zjDl02P7+gYKz1zZnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )