UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L9fzX8aW7IV3nzU9VJhBKLR0baWFrFop2NqxTyziyIE=' 
WHERE 
  key_id = '87c0ac2dd0f256e69ffa9d6cdc317d5aef34886cd4f7e6e81fe371f1d3b1d39f' 
  AND (
    token = 'L9fzX8aW7IV3nzU9VJhBKLR0baWFrFop2NqxTyziyIE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )