UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+Lr7SJT1dFE0zuz8/U6pgB0sFaEUDOn3jOVWueEhm4=' 
WHERE 
  key_id = '51081226f84603372dd86c1f7a26a915bd1adcfec70fb1eb00fd53bea5920b43' 
  AND (
    token = 'k+Lr7SJT1dFE0zuz8/U6pgB0sFaEUDOn3jOVWueEhm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )