UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u70+MEjZPDoNbILojazotkYDWAn8U9WmoRBsa8jl9Pc=' 
WHERE 
  key_id = 'c255e8aa4cf53a1ad0a7569dc950460c09e96a5b3a6e0d20895e316c9845b7e9' 
  AND (
    token = 'u70+MEjZPDoNbILojazotkYDWAn8U9WmoRBsa8jl9Pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )