UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uOib6W/TODiLKWCTfUNXsi4nzjNHpFkU7SBkWvNPuIQ=' 
WHERE 
  key_id = '55b844d52ab6af9dcfdfcddeca724b9b6a3601250fc3705c07859d8133db28e9' 
  AND (
    token = 'uOib6W/TODiLKWCTfUNXsi4nzjNHpFkU7SBkWvNPuIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )