UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BU6WWXmxRoe2VPLYOJL3cy3iZ7ROXnnR63nAQfqn830=' 
WHERE 
  key_id = '21670de11f5ba84ff4b33ba0840c8b3302352a44efd09b9416a82daafaca110b' 
  AND (
    token = 'BU6WWXmxRoe2VPLYOJL3cy3iZ7ROXnnR63nAQfqn830=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )