UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/U4UmPsDrD4COnayBsiQYRtF9MtqXBxTOxXFtaVC4sQ=' 
WHERE 
  key_id = '384d2b7e137e69dd70593721dda900cba859b97cc0cb0e6e47561930e252656d' 
  AND (
    token = '/U4UmPsDrD4COnayBsiQYRtF9MtqXBxTOxXFtaVC4sQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )