UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QKMphkSL0lNE2iqeSIxTFVC5AqX6DyXvzvckxGSnc0I=' 
WHERE 
  key_id = '6796197c2015dc4af1afc1ffdc11abf6526a6a252481030b94662ab58f728217' 
  AND (
    token = 'QKMphkSL0lNE2iqeSIxTFVC5AqX6DyXvzvckxGSnc0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )