UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kxHz34x9Xlvc2wSPcxrcZnx7rts77MTKuhzA3DuxU0U=' 
WHERE 
  key_id = '191268bfcf92b431cc4280a2b1e108f8f7423037d9f1f691958e87402185e00c' 
  AND (
    token = 'kxHz34x9Xlvc2wSPcxrcZnx7rts77MTKuhzA3DuxU0U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )