UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4nfKVe99w4ZBMmw8HfLL4sZUcS0fpa9COwmQ1XugUWw=' 
WHERE 
  key_id = 'c4f05300e75c8f73686ff94c789c17f750bc8d54bfe0166498bf81b5695f6ac5' 
  AND (
    token = '4nfKVe99w4ZBMmw8HfLL4sZUcS0fpa9COwmQ1XugUWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )