UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CvEaZbV1kNAisANs8mKqvZg6P1MPzPblLX4FpzBLAdQ=' 
WHERE 
  key_id = '6e9f709243885cfe59f2eb25f1be12643d6200f50d9d5a9cfa4c935d9f35ccd2' 
  AND (
    token = 'CvEaZbV1kNAisANs8mKqvZg6P1MPzPblLX4FpzBLAdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )