UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ln4q0RQtTCIaqsifYkw2jxcSez3OVqQfrD2ej1tKzyE=' 
WHERE 
  key_id = '57df0f793ece557e55a654cd28fd73b1ca7208e78f6b514934b384a442f71c35' 
  AND (
    token = 'Ln4q0RQtTCIaqsifYkw2jxcSez3OVqQfrD2ej1tKzyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )