UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f8nz9AzPGqtMbRkzqklNDaTq7PX4PeeZ203/PsMoz2c=' 
WHERE 
  key_id = 'b71cd911bde0b8415454b597365f2a7b67e65d5dc30a43c8f760045306491400' 
  AND (
    token = 'f8nz9AzPGqtMbRkzqklNDaTq7PX4PeeZ203/PsMoz2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )