UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2cQc1iZ7kwUtEods6h2fAzGCZcWXJU5PPHTGBcaX/ow=' 
WHERE 
  key_id = '849461976bf20b13feb6d9d0ef1764e0d21bb689a028a52a2e86e2353d188bd8' 
  AND (
    token = '2cQc1iZ7kwUtEods6h2fAzGCZcWXJU5PPHTGBcaX/ow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )