UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S2bqy6YpmpP+w1sAvPCEMfwgGWrI0qWAUn/gafqp1pQ=' 
WHERE 
  key_id = '7b81ce9276375387afefa54921908304ff411d45bc0a188e33e2a34173a4ab21' 
  AND (
    token = 'S2bqy6YpmpP+w1sAvPCEMfwgGWrI0qWAUn/gafqp1pQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )