UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nQdVwcuGQqtGzhVDzO21huCWisgd5pybAfjvsL6dx8s=' 
WHERE 
  key_id = 'ff68c034dbaffac65482fa5f0eaaaed9c8070fe1ea18b38098ccc3ff5c48de3d' 
  AND (
    token = 'nQdVwcuGQqtGzhVDzO21huCWisgd5pybAfjvsL6dx8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )