UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'BsMsRdg/1rMqZLsLya25wxtMsQaw2SLAZQ2LcI1MOeQ=' 
WHERE 
  key_id = '0903ff75678f9733b1c932bb55b9ee71f41615058bc196c01da796ec801b1588' 
  AND (
    token = 'BsMsRdg/1rMqZLsLya25wxtMsQaw2SLAZQ2LcI1MOeQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )