UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ri5VRtjvbY18p+wiBi9nvGypVzJ7yFwcXbCHMx5KUm0=' 
WHERE 
  key_id = '7476a3e9001fac7d9fedfd68b98ca94675d340e7e3573863f49169367e0b0d6c' 
  AND (
    token = 'ri5VRtjvbY18p+wiBi9nvGypVzJ7yFwcXbCHMx5KUm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )