UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLGU1vukHlCTm9gNpBLnzDBJxV8v3i0/n2YfGt26bJE=' 
WHERE 
  key_id = '7b390b026fc4d41e644a7b28677da3453e4ede6671b1680ee54ea2c242ad14fd' 
  AND (
    token = 'VLGU1vukHlCTm9gNpBLnzDBJxV8v3i0/n2YfGt26bJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )