UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZhfoolUzsrKURIKp2zYIsh8cwmDv1GpI7+peeTrKtE=' 
WHERE 
  key_id = '819e64f20c532bbfc577c5b776b0b9d68738b15fbb22452541e98cb6a2e9112f' 
  AND (
    token = 'yZhfoolUzsrKURIKp2zYIsh8cwmDv1GpI7+peeTrKtE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )