UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDf2o3q5za9Vp0WY95lJkcDkSGLPtUfOv+O7cglq+2s=' 
WHERE 
  key_id = '966774ea204fb44b3dcc65ca1ed80f98e9a7787748a0a9775b4a4c01a73b765c' 
  AND (
    token = 'RDf2o3q5za9Vp0WY95lJkcDkSGLPtUfOv+O7cglq+2s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )