UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't8Spg2PlXx8Iglg0q5q3fiHbD3TNyBG9KgneO2faL2o=' 
WHERE 
  key_id = '38db8dfdc4e07f6702d8df1e015e272aa7f9cb26218fd9ec75ded265a74e4fb5' 
  AND (
    token = 't8Spg2PlXx8Iglg0q5q3fiHbD3TNyBG9KgneO2faL2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )