UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6LX5dL6GehX3qkR/wTYmKR+UkJUvDd7UFJKi/kZNCrM=' 
WHERE 
  key_id = 'b2d68fbd0841bc805ca95b8cf528761ada734e562566f753946115fce84a40b0' 
  AND (
    token = '6LX5dL6GehX3qkR/wTYmKR+UkJUvDd7UFJKi/kZNCrM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )