UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lzr8pDsT/MCLNCS7RzpwPpCwvjqPXXC1wIipnfwH8Sk=' 
WHERE 
  key_id = '918e0553cf14565f31dbec6c662c650fd3167b95ee173111c637e8836f0f9e1e' 
  AND (
    token = 'Lzr8pDsT/MCLNCS7RzpwPpCwvjqPXXC1wIipnfwH8Sk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )