UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QxmkvOpqkU8d6dY/figgMyYwDse/yVCDJ5pyyk9H4VY=' 
WHERE 
  key_id = '51761c21951d4bee6f8e538dff5ecab112857048e6d524472327a9ad1021b3ae' 
  AND (
    token = 'QxmkvOpqkU8d6dY/figgMyYwDse/yVCDJ5pyyk9H4VY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )