UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mlq70kW8QJ0DyZvDP4vNShsf7eQlCFlVt2SWsWpdyoc=' 
WHERE 
  key_id = '21055a7b16d9df3e70d2e2226a2478e7aace0c2022e5ea09800b31378fc7885d' 
  AND (
    token = 'Mlq70kW8QJ0DyZvDP4vNShsf7eQlCFlVt2SWsWpdyoc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )