UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R77XylaIuBiek26A/nPE8rYkGGxjY1vx5dO6oT4TL80=' 
WHERE 
  key_id = 'bc2761814863274bcf3087464ff655023f33bd97d6ce5ea076b9da5c1cc6d337' 
  AND (
    token = 'R77XylaIuBiek26A/nPE8rYkGGxjY1vx5dO6oT4TL80=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )