UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y6mYGFh8hGszFpHN95qu853+ZG6vO0siIemnNWjle2k=' 
WHERE 
  key_id = '3dca781f70c98e4f83dcd245e1797eb0881149ccaf2610c55b29b7101e321a85' 
  AND (
    token = 'y6mYGFh8hGszFpHN95qu853+ZG6vO0siIemnNWjle2k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )