UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AM9JO9EKkdOZgjqccSrORvKSvpWbAP4R/FR7j3GUEGo=' 
WHERE 
  key_id = '18ff0a2742454ba316492ad40aa268b61b321aa3a17d0e5c9a6b37684b1d3a1b' 
  AND (
    token = 'AM9JO9EKkdOZgjqccSrORvKSvpWbAP4R/FR7j3GUEGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )