UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6xMoQB+NzhzjSTz9bA9pyUGH3EZlbYq2AcpCXL92jSE=' 
WHERE 
  key_id = '15aa3a70fc288504dce0497df8d7f714edc4384976da90743dfe19e078a75fb2' 
  AND (
    token = '6xMoQB+NzhzjSTz9bA9pyUGH3EZlbYq2AcpCXL92jSE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )