UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1TovgTwZ5Ej8YcQbuABzs3H8VXvn1LvyEHBpxBrIWpc=' 
WHERE 
  key_id = '51cf07fc048b71400e659b1843cd2105a001fcdcd6f86cf1fbbc2b0852f7bec0' 
  AND (
    token = '1TovgTwZ5Ej8YcQbuABzs3H8VXvn1LvyEHBpxBrIWpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )