UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ztXShpKIB6auWT5ov/AuMe/rg7HavrHAqHPy7jIGqLo=' 
WHERE 
  key_id = '8fa9f94a23c927c0efbc2196160f4d91bbcba7be9d59c0db30960b31d9a5eff9' 
  AND (
    token = 'ztXShpKIB6auWT5ov/AuMe/rg7HavrHAqHPy7jIGqLo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )