UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u2bMpV6jiH/+HI4CsQsncPSVywGqchj7kKYjnjZJdZs=' 
WHERE 
  key_id = '7c21bfe4e577e00ea795ed016cd96ca33dc574b967da172794e3a06658965390' 
  AND (
    token = 'u2bMpV6jiH/+HI4CsQsncPSVywGqchj7kKYjnjZJdZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )