UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '53wwX5XiJdVj1lQlBuDlMz08cFqi6cH6bIfG4vSCKPY=' 
WHERE 
  key_id = '03b68a2cf7808c8d8998e5d48ff9e187f09981ae0252c64f8bb1576d131d5289' 
  AND (
    token = '53wwX5XiJdVj1lQlBuDlMz08cFqi6cH6bIfG4vSCKPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )