UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6tAmse+cfmVZjx8ngcRAzFNZVM6pkeJEg0aL5aD2fE=' 
WHERE 
  key_id = 'a76d9965ceff93f4dfeef420808aa1e6df3a6e506053fc2cfa23db2041bd2364' 
  AND (
    token = 'P6tAmse+cfmVZjx8ngcRAzFNZVM6pkeJEg0aL5aD2fE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )