UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kAtdVRQOBsG6niPEPtnU00qPXX3bWav8npGn9ElMmyg=' 
WHERE 
  key_id = '21150447068abee17c5802f06d5e79748744df7cc1db56fc7e5e2d35b2498728' 
  AND (
    token = 'kAtdVRQOBsG6niPEPtnU00qPXX3bWav8npGn9ElMmyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )