UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W/aNsBrw3ubOa9VLWkgcLOfmtz6RBRZG/xupCzM940=' 
WHERE 
  key_id = '68af212d7292eb75f6bcda015b5f4c1e20517c9e4180c26a9d7f89ec427dc0b7' 
  AND (
    token = '6W/aNsBrw3ubOa9VLWkgcLOfmtz6RBRZG/xupCzM940=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )