UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BeRMj+TuzwRHtyTGC9cRHTGzZHFVE0ugIIWZc47yDaM=' 
WHERE 
  key_id = '4ea34b4ae7ec79f215e28402f24cba7fbb19548f99bb8e696e69929591d16b79' 
  AND (
    token = 'BeRMj+TuzwRHtyTGC9cRHTGzZHFVE0ugIIWZc47yDaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )