UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xxnVIWFgJIIHTf1/CEvfd+QRhSNT7WAVWszfrrZdr0=' 
WHERE 
  key_id = '87cd8122e7dd27f24d3704c8bbd06ebe19971998ddb6d58985815bd55d9cda8a' 
  AND (
    token = '6xxnVIWFgJIIHTf1/CEvfd+QRhSNT7WAVWszfrrZdr0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )