UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mUdCtmK3LS2S2haPFX0kW2sfoDWRNCJWr8QmN6Djygg=' 
WHERE 
  key_id = '68e738dec20d3cd44ca25baf6428f7ef1fad574fffb2a0f7ec4dc204baa372f5' 
  AND (
    token = 'mUdCtmK3LS2S2haPFX0kW2sfoDWRNCJWr8QmN6Djygg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )