UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cRMA7VX25uBzfvrAwDnNQbrNzNEM1vdLQBX/6dRxQKQ=' 
WHERE 
  key_id = '2cd6c5460be1e660f5fe58727e33f24b4c5a47695f3d59acb62f2b4047cc6f26' 
  AND (
    token = 'cRMA7VX25uBzfvrAwDnNQbrNzNEM1vdLQBX/6dRxQKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )