UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k0im0OD1pLd0syLPJUVivPiKBlhUDLqlKGffpQDGn/Y=' 
WHERE 
  key_id = '894f4f1635a505f3f9efb1c628e694031c6602218c3744d4d1dd11bdd5956b07' 
  AND (
    token = 'k0im0OD1pLd0syLPJUVivPiKBlhUDLqlKGffpQDGn/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )