UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QoYYjpHT4JEyc8Oi7jF2yq6qx2cx1XZ5AgMhQtL0+gA=' 
WHERE 
  key_id = '340390e02c5b38136233deff2fe12b1efbec7945bcc058999c765c34fe217fca' 
  AND (
    token = 'QoYYjpHT4JEyc8Oi7jF2yq6qx2cx1XZ5AgMhQtL0+gA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027