UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xaeIejEOoCfcCCsha1Zpj4L22sCjpWjY7d/HU9is1FU=' 
WHERE 
  key_id = '6537c69445647e6df7366523a3bd34f969be91351b67da8456cae0f52289881e' 
  AND (
    token = 'xaeIejEOoCfcCCsha1Zpj4L22sCjpWjY7d/HU9is1FU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )