UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/bLPMW3P8+cEOpIPvQL7bi4wvmZQAAGTqadaLs7Pdo=' 
WHERE 
  key_id = '91ccfd83ac248f79ae12e33aaa3d57ecf4583229546867f251332c2329fcd928' 
  AND (
    token = 'a/bLPMW3P8+cEOpIPvQL7bi4wvmZQAAGTqadaLs7Pdo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )