UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hdtlZW6D2A+IyvdYAWWgLUjFvPIqj+gdbdZYKUnq8wg=' 
WHERE 
  key_id = '50da532d8beb27a98b33a87c63d1637cb5e115eaf1c00c4d93bd5585863072f8' 
  AND (
    token = 'hdtlZW6D2A+IyvdYAWWgLUjFvPIqj+gdbdZYKUnq8wg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )