UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RTzVgQZTAb1mFySAXeOiLu7xkg8OJybJe/lvj8jVNhs=' 
WHERE 
  key_id = '93d202e2b21dddfd27a9a62050739df7dde4e5cfb88530735dd788ffd0b27950' 
  AND (
    token = 'RTzVgQZTAb1mFySAXeOiLu7xkg8OJybJe/lvj8jVNhs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )