UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D6hwa4JjkUbF7s3QGqH1NUjgirodkfB7PoM9T0DSq3k=' 
WHERE 
  key_id = '27e7854366ef4b755b37e857a296b338eb25f11caeeec75585d33989ae9b15da' 
  AND (
    token = 'D6hwa4JjkUbF7s3QGqH1NUjgirodkfB7PoM9T0DSq3k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )