UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MUoRatxs338yDU9J2d+rpVo2NT1ITTOgUI2W7UVyvY=' 
WHERE 
  key_id = '6e162f0e29711d9af60470cea90c3f9efec546f713337dfbd89b098365755149' 
  AND (
    token = '2MUoRatxs338yDU9J2d+rpVo2NT1ITTOgUI2W7UVyvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )