UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zE+WzsHmhx25Su4RhMq+NlUdMOL4NGaKH2OarRQc/rI=' 
WHERE 
  key_id = '2a646f0d89ca8655facee2e51c930bdb709cb96891777acfa656293c89197529' 
  AND (
    token = 'zE+WzsHmhx25Su4RhMq+NlUdMOL4NGaKH2OarRQc/rI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )