UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kwkHMa/vQWIoI7e7knRCuOQJyJ5GNZ87DQBFPVNNt30=' 
WHERE 
  key_id = '2f98a86c55bee02695815b37d8a286586e041d0f77a72775d7988592bad53f4c' 
  AND (
    token = 'kwkHMa/vQWIoI7e7knRCuOQJyJ5GNZ87DQBFPVNNt30=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )