UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JKyCL+CuVWEqLqx2ujztINE734bqy22eRQEfQYVRNOQ=' 
WHERE 
  key_id = '51fe25e7e1ed881fda3085646bf485b0995fb6aca0df99758bf40fd9571156ce' 
  AND (
    token = 'JKyCL+CuVWEqLqx2ujztINE734bqy22eRQEfQYVRNOQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )