UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w636OFIw0YRVKkYpO+SIL9fDNcbkCNgPpOm5CJanWlI=' 
WHERE 
  key_id = '6492b16fe24a728b12647b7e55ad5d1cdff11a309b333a988e2363461dfd94b6' 
  AND (
    token = 'w636OFIw0YRVKkYpO+SIL9fDNcbkCNgPpOm5CJanWlI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )