UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gXCZ6ZfVbPNMzPlh33QP9NUrpfefciRZgArgEfpd4zY=' 
WHERE 
  key_id = '755d74b9848a4421fc0644591dc3f07c63da7cd49f337852e8d4476b7095402e' 
  AND (
    token = 'gXCZ6ZfVbPNMzPlh33QP9NUrpfefciRZgArgEfpd4zY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )