UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u50OxUybGTwUfRWmlWJrzEWpNs5IzRdNkBRR3g3bIoc=' 
WHERE 
  key_id = '1c842f831f6718d215894f73bdf8faa60607749c5239782d60552597c33f47ac' 
  AND (
    token = 'u50OxUybGTwUfRWmlWJrzEWpNs5IzRdNkBRR3g3bIoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )