UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FxH7D/TD0evjSvHDElb4bCmM/oryoVxOkhpBaC67src=' 
WHERE 
  key_id = '31fcb9e41321defef310dcf53ef201e56965d3db46f257d39b90e9566bc53179' 
  AND (
    token = 'FxH7D/TD0evjSvHDElb4bCmM/oryoVxOkhpBaC67src=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )