UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MVaz6q2xDYqPpM6Fzi/OSyCXs1TSBusaa42iL6ObTyc=' 
WHERE 
  key_id = '37818edd5b9cfb6f89a452ef139eaee6fea7ec3da62f7637446d5787cf4fc886' 
  AND (
    token = 'MVaz6q2xDYqPpM6Fzi/OSyCXs1TSBusaa42iL6ObTyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )