UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/7sm8r6SF0k4Hkww95IYMXIHwFQsjhzLoCRtWbvBEcg=' 
WHERE 
  key_id = 'b250c7bf41ecf2de8d03e1c8090f6163bfe35b8b418b2e620b48b8da0d007828' 
  AND (
    token = '/7sm8r6SF0k4Hkww95IYMXIHwFQsjhzLoCRtWbvBEcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )