UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zKmgXKYKMIC2IhGloTeVzOv6oIoIjG9eDPdJkTWqxx4=' 
WHERE 
  key_id = '52a1fd55ceced94766de4a1dcff4d99a55fa69c8d7b5480922aef38f51d98ebd' 
  AND (
    token = 'zKmgXKYKMIC2IhGloTeVzOv6oIoIjG9eDPdJkTWqxx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )