UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2qQwud+oVS5ETG2aBzFHiL36XhaB9hsdgMMLSmA7hM=' 
WHERE 
  key_id = '6ca1a79300f852921de3fd61c07015f217aa1af86c1aed966224c2a52eadb2ea' 
  AND (
    token = 'R2qQwud+oVS5ETG2aBzFHiL36XhaB9hsdgMMLSmA7hM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )