UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zA9UoURqPI3HPEq0B4ctz6sghCYaNV7bm/SoM7Gn7XI=' 
WHERE 
  key_id = '6f716d4b1755e00f76f47334d2ecf69f8c49d6c8890d8c1d04ccc721df599c38' 
  AND (
    token = 'zA9UoURqPI3HPEq0B4ctz6sghCYaNV7bm/SoM7Gn7XI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )