UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iQfdXV7OPpYMUbnfj5GXWHkf3EGaS7B6oo0YofyclUQ=' 
WHERE 
  key_id = '509b770784f7b5a7c586ad49060dc29ae060406ac8335c5ee7f13a27c688604f' 
  AND (
    token = 'iQfdXV7OPpYMUbnfj5GXWHkf3EGaS7B6oo0YofyclUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )