UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4REJ6vJi+90vIl8rpx7hv2K0F0jSWhOp+Y9quVbCLA=' 
WHERE 
  key_id = '8da394ee89ed737db74997cbb7985bf75911604575322ad7ff6cece0c5badded' 
  AND (
    token = 'a4REJ6vJi+90vIl8rpx7hv2K0F0jSWhOp+Y9quVbCLA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )