UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pb2Bz5MAQlPb1T/URmRM7N5KJE6OaDxXnFwfGFm2VkI=' 
WHERE 
  key_id = '538cc6d08b1528237719c74120554d078c0d9167222d160c4f309e3fb0b4cf59' 
  AND (
    token = 'Pb2Bz5MAQlPb1T/URmRM7N5KJE6OaDxXnFwfGFm2VkI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )