UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g4+fMphPxSx4fUX5R/bdi0gJBiA7qown460H77PA93U=' 
WHERE 
  key_id = '68f3fb61759cbf642a563eda2ce1948425e408a4249ee7dfcaf647a4874c3866' 
  AND (
    token = 'g4+fMphPxSx4fUX5R/bdi0gJBiA7qown460H77PA93U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )