UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nj7MCfdpE8u2lNxgvh5VGNU0fW8CVfyRDjaWWoE/67w=' 
WHERE 
  key_id = '9a26d1239ead6d9b9499af4f91841ac638643f917863566a31f034834316f12b' 
  AND (
    token = 'Nj7MCfdpE8u2lNxgvh5VGNU0fW8CVfyRDjaWWoE/67w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )