UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4r6Eoya/PQ/Adp92lICUMreiBZ+9LHtREzoyUhs+lY=' 
WHERE 
  key_id = '1d21369e134ed024a720afc91b854e0ad84d812524cf42a6b94963196e0c4efc' 
  AND (
    token = 'a4r6Eoya/PQ/Adp92lICUMreiBZ+9LHtREzoyUhs+lY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )