UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '38gpTMC0WiDjZ83rloj572SUMAIX27KhFSNd+cTN+UY=' 
WHERE 
  key_id = '6ddcd5c2bd3389bef481a354c04e3daefcb3f450812d737a4f0b47a58173d926' 
  AND (
    token = '38gpTMC0WiDjZ83rloj572SUMAIX27KhFSNd+cTN+UY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )