UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ySPz/jgNqr3BruwIjQ281xfXIgY4uSz6Inp3jR9v76I=' 
WHERE 
  key_id = 'af6bdf65d0d3dadb1d7e9c8b1a303fcdbcc934617d1382330fac50b4ac07d129' 
  AND (
    token = 'ySPz/jgNqr3BruwIjQ281xfXIgY4uSz6Inp3jR9v76I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )