UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yMv4g9T8PZTWCJ+2IdNFXR+jE6AGgqGdNoabEi9+XNc=' 
WHERE 
  key_id = '902e1d5183e93f71be2cb9edcc7fd552681255b2d1f56c63e86f24575af1afb5' 
  AND (
    token = 'yMv4g9T8PZTWCJ+2IdNFXR+jE6AGgqGdNoabEi9+XNc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )