UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e/SsrvItUDcBKXQiQdDkMwqNcS7n8NrJleksizIZaqQ=' 
WHERE 
  key_id = 'c18134f62791c74383fd54dab46e4423ebeb78ec6cd3e940269a17e42152066f' 
  AND (
    token = 'e/SsrvItUDcBKXQiQdDkMwqNcS7n8NrJleksizIZaqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )