UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dk8ZPjhgH2zbau37qaTdq5qltlb5BqgC0yjf3tZuwcU=' 
WHERE 
  key_id = '1872d70566741dca931fc6d6593bb9211029ffc3d6766d79b1642301f18ee5d1' 
  AND (
    token = 'dk8ZPjhgH2zbau37qaTdq5qltlb5BqgC0yjf3tZuwcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )