UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJDymrWTxr8BddVh9zIuXp+JZJS8AEhEoG87pB6VbO0=' 
WHERE 
  key_id = 'ec5d88344236e19ac42f43319194e5a99e0e923943e67f97fe1225e07189af74' 
  AND (
    token = 'MJDymrWTxr8BddVh9zIuXp+JZJS8AEhEoG87pB6VbO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )