UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qty/+Up6qhbc9oZJeW5OzSwGxlpmyhQgwnQnddREAGI=' 
WHERE 
  key_id = '9b19530b52a9928f26366ec82c52acbfb59d9a7c43aa029c3b1be9f75951e07f' 
  AND (
    token = 'qty/+Up6qhbc9oZJeW5OzSwGxlpmyhQgwnQnddREAGI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031