UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zKkfqwzn2nmyo0iqC0fyX6m7FzSY9tZQoD0QlnSo/Wk=' 
WHERE 
  key_id = 'bff91059a251457ba31d0674495331848219bda327cbdaaf08e84e2a16028e94' 
  AND (
    token = 'zKkfqwzn2nmyo0iqC0fyX6m7FzSY9tZQoD0QlnSo/Wk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )