UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nFKr5DsEJXXASxmE5dajsIulV5T7SIQC3leeRFa95hc=' 
WHERE 
  key_id = '81621d537a524909006f66b3a51c130da96c6663a148d9ba0a55baa42a268d86' 
  AND (
    token = 'nFKr5DsEJXXASxmE5dajsIulV5T7SIQC3leeRFa95hc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )