UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jWwrk4oYqMi76PD9b8mKowTpGZgHOc2xW4ZAt03PSM0=' 
WHERE 
  key_id = '3e81c6abd23e54b96bc4e469983fbc115a2a2cc55f4da1502f0a9f0bfc90816d' 
  AND (
    token = 'jWwrk4oYqMi76PD9b8mKowTpGZgHOc2xW4ZAt03PSM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )