UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xZ5kmY8ZSFFH1wIZ9MCzpkAt62mhl9dVRPXNM94VUpo=' 
WHERE 
  key_id = '18e86d243d1da053cc5a32eb93b2264171573f465f5949622ccc18d53c96d52a' 
  AND (
    token = 'xZ5kmY8ZSFFH1wIZ9MCzpkAt62mhl9dVRPXNM94VUpo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )