UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mqFEu6ArgHYu5TSIjLi5t2OD3WYGYuEZpo2njCX2se8=' 
WHERE 
  key_id = 'bc216ed4231e3d8774283fd9bec78084bee01f8960dcf4afadebd16cd1828a82' 
  AND (
    token = 'mqFEu6ArgHYu5TSIjLi5t2OD3WYGYuEZpo2njCX2se8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028