UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50vOk4palhEB8itEl2g7wwGhM9AYwSWnkxa3RbfJl/c=' 
WHERE 
  key_id = '30d6405aa83e8cc8f4d49bf31d5425bed47a4535b60adf3567f6e75115c14881' 
  AND (
    token = '50vOk4palhEB8itEl2g7wwGhM9AYwSWnkxa3RbfJl/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )