UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bPBw1G91wysTqgOxqDyD1xVpiZOma7g9FlRcDOTaP7M=' 
WHERE 
  key_id = '973af6c5f896708a620e0ffae8ed06435dbf4dc681abc5859491cdb1e972436c' 
  AND (
    token = 'bPBw1G91wysTqgOxqDyD1xVpiZOma7g9FlRcDOTaP7M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )