UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u4KE7AtwH9n1cHdq0tyEP4Y66rLAsRB/Qm2SOax6J2o=' 
WHERE 
  key_id = '692eb8ba86dd413548aae6f98fdc90a3637708592e4176612b2e9c7f511f7e52' 
  AND (
    token = 'u4KE7AtwH9n1cHdq0tyEP4Y66rLAsRB/Qm2SOax6J2o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )