UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Qe7S/C7HmKxLnK38WqUOxx9ID30lTgp6qoXdCk8wKY=' 
WHERE 
  key_id = '0e4a0a866e764df3af24b0e6339969b7ac3d5bd6b512011fc19176882b8d15f2' 
  AND (
    token = '8Qe7S/C7HmKxLnK38WqUOxx9ID30lTgp6qoXdCk8wKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047