UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nGsVX9+CnXyig8YvWBMK1bInqI+U5QpPy5vXGov2lQ0=' 
WHERE 
  key_id = 'a40a8b2191981b693089984f9be41f027e0ba284451e396ea41744783873bb92' 
  AND (
    token = 'nGsVX9+CnXyig8YvWBMK1bInqI+U5QpPy5vXGov2lQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )