UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '15BC1RPnWz4Rb5vlmKE9FEjKFO3QMqaYvPprzgKykCM=' 
WHERE 
  key_id = '79a1699d6225211ef0e576068a0763e628120b51aee11dbcd2034fb67199c635' 
  AND (
    token = '15BC1RPnWz4Rb5vlmKE9FEjKFO3QMqaYvPprzgKykCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )