UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W/kx1Mbahpmt0eJdmLvt7o/Z/6jzWHZeXGejZp6sDYo=' 
WHERE 
  key_id = '54a5db70c935679c27afcc338337c20669e2f006c607b09de4c463a9652c7c0c' 
  AND (
    token = 'W/kx1Mbahpmt0eJdmLvt7o/Z/6jzWHZeXGejZp6sDYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )