UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/k2VUOzY3tkmoCiFWJfTq3hNCqxqUA5gm9uvx+ZrJv8=' 
WHERE 
  key_id = '21dd3f36789578c5beb8531de2565fe619dfc1857734398dc1efb50c4c506a35' 
  AND (
    token = '/k2VUOzY3tkmoCiFWJfTq3hNCqxqUA5gm9uvx+ZrJv8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )