UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PO9VxZUbT/NiJeKcMNFIpr51UUILAbzNhY9BNPoHcRw=' 
WHERE 
  key_id = '5812faa627daf6e884f3adcbeca88edc870c8cf6d33f4280ea381456353f9f62' 
  AND (
    token = 'PO9VxZUbT/NiJeKcMNFIpr51UUILAbzNhY9BNPoHcRw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )