UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bUg0Z2hwA508OZZWDdnGHgHus8AzMB3kWtRJzhnUeFM=' 
WHERE 
  key_id = 'e557e1a6306f29bd25bf45c08a857bf885ee31b520538d30005baaeea15622f3' 
  AND (
    token = 'bUg0Z2hwA508OZZWDdnGHgHus8AzMB3kWtRJzhnUeFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )