UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRZG338Kb13t80U7Te6pGNsXJApA26Wrj5XwQQMcek0=' 
WHERE 
  key_id = 'af55e26ca8bdc377f0d381f48a8d3b5228617ae9e7f2130863d83130757b0925' 
  AND (
    token = 'QRZG338Kb13t80U7Te6pGNsXJApA26Wrj5XwQQMcek0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038