UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LjZnPqOxCu29X48PavfTfw2Vi5xBXPVXggZqCqCQxWo=' 
WHERE 
  key_id = '0876d275bc914ead1ba45b0063b9e563bdaf52d0a0cfd8832e62304e44b9ee31' 
  AND (
    token = 'LjZnPqOxCu29X48PavfTfw2Vi5xBXPVXggZqCqCQxWo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )