UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/K5Wun8apphXYPM9uv7HGP0tIgGkwEDSQm9b4sC/ZMU=' 
WHERE 
  key_id = '8b6ad96ef8808d53c7fcc52d8d927ff94315ebee3ac2849f99ea0c2d9b2d8b47' 
  AND (
    token = '/K5Wun8apphXYPM9uv7HGP0tIgGkwEDSQm9b4sC/ZMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )