UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pH9JmnzERy0QI7YSLBmYQhfaFVW8ufSU4LlKzKjGtw=' 
WHERE 
  key_id = '8dc4957bf8aabcc273648bf6c17ee5db309df48d6adeb204a36755cc4a4cd11f' 
  AND (
    token = '6pH9JmnzERy0QI7YSLBmYQhfaFVW8ufSU4LlKzKjGtw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )