UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '94xGkjNfT7Jrd8tgn4OltChDv1PsIdIzOU+UpTmfksQ=' 
WHERE 
  key_id = 'b16455b7f47630bd81a8c6937bc28870892fa50c3a1457928a824264658eaaec' 
  AND (
    token = '94xGkjNfT7Jrd8tgn4OltChDv1PsIdIzOU+UpTmfksQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )