UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VgH/hUO9zRdpnNiMq6vikfEMfQwPHGfELz2tkiEFISs=' 
WHERE 
  key_id = '6e63a160b9261202486070e2ea862af6a2a06ed93d4bf095df397c1ee5938887' 
  AND (
    token = 'VgH/hUO9zRdpnNiMq6vikfEMfQwPHGfELz2tkiEFISs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )