UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLHRw+gMS0f1xdH3qN+QLv/8EE5YzY7YYUVoPwOs8vA=' 
WHERE 
  key_id = '8e99081e652efd905832f42e72ec6e9e4efa46ef89dee6a72e19596932426064' 
  AND (
    token = 'KLHRw+gMS0f1xdH3qN+QLv/8EE5YzY7YYUVoPwOs8vA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025