UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ubEr8XLPC+pbhEZFc/w5YNGshlu6z/ngxptYe9OzVyE=' 
WHERE 
  key_id = 'a4256b3d2119a4052b734a3a473f0bf7fa6e35de77710534d2e16b27d15a45cd' 
  AND (
    token = 'ubEr8XLPC+pbhEZFc/w5YNGshlu6z/ngxptYe9OzVyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )