UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PKuHDmEWF06suYjgGpsdvfwMMYO7a4/mfNt6hoyPqeQ=' 
WHERE 
  key_id = 'fb5638572fc2384dce1381ade56a3391f2096d284eea726f1656f498b6189b86' 
  AND (
    token = 'PKuHDmEWF06suYjgGpsdvfwMMYO7a4/mfNt6hoyPqeQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )