UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zdUq+ZP6HSAwonO1/SyXR0my9TfR0tEHCfzK3N7vq/w=' 
WHERE 
  key_id = '6d1834aa7a9fd1685538ae8207ad5e5e721b0c7ea95be62d0d54776899b83ce6' 
  AND (
    token = 'zdUq+ZP6HSAwonO1/SyXR0my9TfR0tEHCfzK3N7vq/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )