UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G28ejz9z+bQYnp1tdrWUVfomEnMrpKADonFA1RCeuwo=' 
WHERE 
  key_id = 'dd50826b37622f5dac8a93847dd4ac2cebd7835b5e285b59c80923689a549f1d' 
  AND (
    token = 'G28ejz9z+bQYnp1tdrWUVfomEnMrpKADonFA1RCeuwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )