UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nWNgBavfVt3Vy9uViy2bpVBZ8lPixbXILsTpIDVxYLY=' 
WHERE 
  key_id = '343b0d41ddd6985da4762656ffe47b6009621234e60376a02fd9e93d47a0bc64' 
  AND (
    token = 'nWNgBavfVt3Vy9uViy2bpVBZ8lPixbXILsTpIDVxYLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )