UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KP/2xmRmQVlYHchuqmAUz0Mn4qucHCyaWD6pvLX8S64=' 
WHERE 
  key_id = 'b90615723de8be0bffed264776f56555d23bde134c819a1957c23e5f4bcc6985' 
  AND (
    token = 'KP/2xmRmQVlYHchuqmAUz0Mn4qucHCyaWD6pvLX8S64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )