UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l/SoDJBtCF7o3hNn3WlXnqb/WcMoJYTIrkrYAC4HJrc=' 
WHERE 
  key_id = '51e8f4c2b332a2da002c38e13361edf76984d8e11e50bd787892dae326a870ce' 
  AND (
    token = 'l/SoDJBtCF7o3hNn3WlXnqb/WcMoJYTIrkrYAC4HJrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )