UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xt3YbjD99oBEfxnPJ1OpWeNIrkW5+yGLKmYIrUXH83A=' 
WHERE 
  key_id = 'c4da01ffc9754aa25893847d0c39dc82087c68261ae9f4472c9e416446a5c204' 
  AND (
    token = 'xt3YbjD99oBEfxnPJ1OpWeNIrkW5+yGLKmYIrUXH83A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )