UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ew/nttIVcl0CewzcPzzcxSqqP9RifNYiJ7JhFBLL8xU=' 
WHERE 
  key_id = 'a8968731edd8cad7e43ba9ab447ef2ab71e1ef4e2ca52da402a05e20fef5303d' 
  AND (
    token = 'Ew/nttIVcl0CewzcPzzcxSqqP9RifNYiJ7JhFBLL8xU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )