UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7BfOfgpaWPMKo3MFpmzW9QMd1GeUbq8sZBzkxCrylRg=' 
WHERE 
  key_id = '32f5a2af6fb6951003df36ac26ff28502a3a1f32df40f0b43de8da149850d340' 
  AND (
    token = '7BfOfgpaWPMKo3MFpmzW9QMd1GeUbq8sZBzkxCrylRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )