UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mLkRQ1tlEw5Om7t3WleTFx+IQ742r00eC1NVu1GOveY=' 
WHERE 
  key_id = '52574e3fad7810be6a742c423539e7cba12136f66a5acdc6821af3b7c750a097' 
  AND (
    token = 'mLkRQ1tlEw5Om7t3WleTFx+IQ742r00eC1NVu1GOveY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )