UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L4NJWCEkGKE7N0i2iYVZz/3uPMjYjuCeqO2n9wnwclU=' 
WHERE 
  key_id = '6b6fb371ff1b89885549077929bb2e63f4120420c8edc07a721e97ada73ad42c' 
  AND (
    token = 'L4NJWCEkGKE7N0i2iYVZz/3uPMjYjuCeqO2n9wnwclU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )