UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYzLcsYnjslyF3n3nrWRs4g7NxFfHkoZcod8AgrEyIs=' 
WHERE 
  key_id = '73d5cf9af03a7b1f0bf3a7b63411a8754c5dce7b5a4ed19e1ef7be1ca1f18756' 
  AND (
    token = 'MYzLcsYnjslyF3n3nrWRs4g7NxFfHkoZcod8AgrEyIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )