UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nbqq6dBEiZomSgpu6DOmYbVpplaq4wbQjWPzBRqKO/M=' 
WHERE 
  key_id = '4b34e10b13c63914b08758827ea7814826e4bf6f8691cb634200d0f53939c3c8' 
  AND (
    token = 'Nbqq6dBEiZomSgpu6DOmYbVpplaq4wbQjWPzBRqKO/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )