UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QW5daoCPlVJWagKfx9H9he8PmZFsE/N9j9xITrsb3TU=' 
WHERE 
  key_id = '4e0e9ebcebfd33e42e128a39b2083ef48254981462bb7ad7a4644ceb358ff153' 
  AND (
    token = 'QW5daoCPlVJWagKfx9H9he8PmZFsE/N9j9xITrsb3TU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044