UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'culkcBLbew8ZP4ytU5UOIu9RQzMK0aBtL4Qy8/d40xc=' 
WHERE 
  key_id = '5047768bf97fd9ed8a3769825169686ce6d1f5db30a0418a492f8e8192d5d921' 
  AND (
    token = 'culkcBLbew8ZP4ytU5UOIu9RQzMK0aBtL4Qy8/d40xc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )