UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EqBKyV233OdkOf0dWu7kHUxqku5WyoqTPI9PcUotXZ0=' 
WHERE 
  key_id = '764e80ceb5dcd6a27872df3e6434bad76614cb077d6a662fd72d7361db63618d' 
  AND (
    token = 'EqBKyV233OdkOf0dWu7kHUxqku5WyoqTPI9PcUotXZ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )