UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O9ewt6Efk6Jjfxdp4Yh9CuBh7v/LJGodOnoIUFTHENY=' 
WHERE 
  key_id = '797203e1eb6f289aabd795425d3019f0ae5d00810f02a4ede713f8e32d787fab' 
  AND (
    token = 'O9ewt6Efk6Jjfxdp4Yh9CuBh7v/LJGodOnoIUFTHENY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )