UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RF2uZbEb5G9y4UbUJ/rqkcGtgxDP+56oSIS0otJO7HA=' 
WHERE 
  key_id = '6b15f6786b2ceb915ce5f067a6483dfd419e056dc79612f93f1fccf9b29fa235' 
  AND (
    token = 'RF2uZbEb5G9y4UbUJ/rqkcGtgxDP+56oSIS0otJO7HA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )