UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6qBo6JcejR/2NBq+JWQa9048nsVAnv6fESUstJP+Jc=' 
WHERE 
  key_id = '26d4cbb8cc1b4224e569748d086aaf334ae3bd705483b5d3ea59f8f49eaf5788' 
  AND (
    token = 'r6qBo6JcejR/2NBq+JWQa9048nsVAnv6fESUstJP+Jc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )