UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q8k2z4GElJczwdAlmaRSOnDDw4vGZl6lLycZ5ImVplA=' 
WHERE 
  key_id = '835bc251a1f8737306286bdc8f541d3e5d9762c2dbffa992a73d41ac268ce7fc' 
  AND (
    token = 'q8k2z4GElJczwdAlmaRSOnDDw4vGZl6lLycZ5ImVplA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )