UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6n2JVGzUVhM5AJExIdUrLXuA6hoQuRgs+1pRYb7Rq/s=' 
WHERE 
  key_id = '875300da57f0f5baf97bf7447dab55e25709f4b8f55644dd5f2e2c3523f857d0' 
  AND (
    token = '6n2JVGzUVhM5AJExIdUrLXuA6hoQuRgs+1pRYb7Rq/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )