UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KfwWeEU9G/dO5i4FDauSVs3ydHJSUQkc++M1O6aAIm0=' 
WHERE 
  key_id = '4dbae0689a0521f6f73825e917a09ef37de9b72ff3bfb5871fb442f30792109a' 
  AND (
    token = 'KfwWeEU9G/dO5i4FDauSVs3ydHJSUQkc++M1O6aAIm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )