UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znJnxFD/Geb0bkU/N6oKqebqnaaP5EWMVD3UEBLc0pQ=' 
WHERE 
  key_id = '16931a613d7c6fbe6c88d1bb9340cc101fa02aacefe7574a5b32fa17bf449890' 
  AND (
    token = 'znJnxFD/Geb0bkU/N6oKqebqnaaP5EWMVD3UEBLc0pQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )