UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YXb4g4ZKY8Es/nFf/N2QNT1pHTyl2UrMxT9s9V+/wcI=' 
WHERE 
  key_id = '831c0e1e81f6bc572192ac247958ec420592e0852847429cdabeb581b5e842d2' 
  AND (
    token = 'YXb4g4ZKY8Es/nFf/N2QNT1pHTyl2UrMxT9s9V+/wcI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )