UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l4M6GOODk95vXqF3Ib0UZtAnIRGKYNst5XS771Jpn1A=' 
WHERE 
  key_id = 'a8e51eabfd8bda812af079be8e8236336b5536530dde008e7ab480b00b6fed06' 
  AND (
    token = 'l4M6GOODk95vXqF3Ib0UZtAnIRGKYNst5XS771Jpn1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )