UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/0hBiFTmuRN8GtxztvXDQOyiRxVzBJs8DY0WWn/Aowg=' 
WHERE 
  key_id = '4c50d27d78ca16106a2270e63f6ab03e79ecd7f165534fb2e48d68365d39e979' 
  AND (
    token = '/0hBiFTmuRN8GtxztvXDQOyiRxVzBJs8DY0WWn/Aowg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )