UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3mNxNLfLk1r9AghZpI+k5geC7oaSE8D1cmQZlH/3KYU=' 
WHERE 
  key_id = '812f863e43ce06c4efed4e2c5972e102b82bfbc5e7e793769d3b9803e26a7d4a' 
  AND (
    token = '3mNxNLfLk1r9AghZpI+k5geC7oaSE8D1cmQZlH/3KYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )