UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7N53lCVgzN5zNwvqSDfN/QWOUUwiDt7Nf7s+Qp+Eqhg=' 
WHERE 
  key_id = '7a45e9574dd26c4a17649429cd9a37bbf7f61610fdfb3504f1301205e7bcf5ad' 
  AND (
    token = '7N53lCVgzN5zNwvqSDfN/QWOUUwiDt7Nf7s+Qp+Eqhg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )