UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTzBjrNmX0AI4tmg6PPBw1K8d1WrqFIkRyPBjs89UEE=' 
WHERE 
  key_id = 'b4a4dbda0e193933d5f54f4cc24f906cf798bb874fbff699b26a8182bb55a910' 
  AND (
    token = 'MTzBjrNmX0AI4tmg6PPBw1K8d1WrqFIkRyPBjs89UEE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )