UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AzWTajeUe5JrchEQZvsk9RMG3Iby6BEHhr/d4rwxP8U=' 
WHERE 
  key_id = '52727ffc748c729c678e4c8fd10c72d7d14c803b74c86b535af92b463911b781' 
  AND (
    token = 'AzWTajeUe5JrchEQZvsk9RMG3Iby6BEHhr/d4rwxP8U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )