UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'flErYwKyzTzQybjU94TznSbHem8iKrDM7BNkMMPsWSo=' 
WHERE 
  key_id = '49b6c57ec9f224b78d98918cfe96786cf20facd7c584fc933db712b0aaff9c79' 
  AND (
    token = 'flErYwKyzTzQybjU94TznSbHem8iKrDM7BNkMMPsWSo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )