UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cNzdgq8M5W1JNKKrl93ZPe4PkuKzDGXdu3yoEcn1XeA=' 
WHERE 
  key_id = '6c1f3a8a11f3020d470f37565d50c05e448c6ce9fdc6c3b952de1407e0373916' 
  AND (
    token = 'cNzdgq8M5W1JNKKrl93ZPe4PkuKzDGXdu3yoEcn1XeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )