UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkBh3IteKiFT+U6kV7PqRrs4ht5gDGvWO9xgUAbrjxg=' 
WHERE 
  key_id = '756cee479514a8f6c73d57d2510db1405da1cb129691562ceebd75cd2300bde6' 
  AND (
    token = 'PkBh3IteKiFT+U6kV7PqRrs4ht5gDGvWO9xgUAbrjxg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )