UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ayElBEMP6YeYI7dugY//8mCF+QeIHMBI0oxN8HEyv2w=' 
WHERE 
  key_id = '4441141efe700722e285cfec72a99dd83df4f979e214a02ae9b2cae55e6fb4a4' 
  AND (
    token = 'ayElBEMP6YeYI7dugY//8mCF+QeIHMBI0oxN8HEyv2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021