UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bl568+aBpiR7uTZeFNWQr3O26nziORudVakB62ChCNM=' 
WHERE 
  key_id = 'c31a0ed608c3112de70afcfa5cab23a4849c9a3c0223689f85a6f69027c6f529' 
  AND (
    token = 'Bl568+aBpiR7uTZeFNWQr3O26nziORudVakB62ChCNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )