UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Un8kpxe4mA+1sie57gdMDOkLGkQhvF966AfqLDc2j2Q=' 
WHERE 
  key_id = '9b2765aea1e2e468aa8efafbcb38c691fa8abc2a17df4b45d3af1070a35ad0c6' 
  AND (
    token = 'Un8kpxe4mA+1sie57gdMDOkLGkQhvF966AfqLDc2j2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )