UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dR7n+1bJmYUFbQnYvpF1DiurAI4Euz7YdFbT8dvFfhM=' 
WHERE 
  key_id = '647ffb28c0912f8264a66ffabf1cfc1aeafb48e3ce6e15a028ff4690df2b2553' 
  AND (
    token = 'dR7n+1bJmYUFbQnYvpF1DiurAI4Euz7YdFbT8dvFfhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )