UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'H5bFg7OiSPKKt2J32EAUGP6ak1ZUnb+cUDO09AyjKyc=' 
WHERE 
  key_id = 'a676d14389bd06f85e9601111a4f591262078664cee44869d61fdc7845439415' 
  AND (
    token = 'H5bFg7OiSPKKt2J32EAUGP6ak1ZUnb+cUDO09AyjKyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )