UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmWHj0xEhrYabp3FUpyFBPJpKOBrgFopwz1DUVLj7lg=' 
WHERE 
  key_id = '48dbf309ee7727d28e0da445fd0d0e2dde68d255aa212aaa5ae8328f17e841d7' 
  AND (
    token = 'xmWHj0xEhrYabp3FUpyFBPJpKOBrgFopwz1DUVLj7lg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )