UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79bcbBt1TJKpZHEyRUOUCad24oNVpfhpwjvGRkrDUL0=' 
WHERE 
  key_id = '3a555e162a036383b36e60f2bea92f1d8b60905996330f8238e1c25da9e888a1' 
  AND (
    token = '79bcbBt1TJKpZHEyRUOUCad24oNVpfhpwjvGRkrDUL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )