UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JTWSD5/itxDnGokUW2C8xXDvDCdiaPy7VFX3ZJrCQb4=' 
WHERE 
  key_id = '6439371f4e38ebee9b8ca64fa0ebcc0e83697dd8c3c33d6e5456839cce7f36e1' 
  AND (
    token = 'JTWSD5/itxDnGokUW2C8xXDvDCdiaPy7VFX3ZJrCQb4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )