UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fT9ayDRcuxHimxOVt8fOVyhCHrrQcBsSka4fl8yUtCg=' 
WHERE 
  key_id = '1753b49eb64ba6a30483f31a5051912c7932ccd4ce8b64e9688379017b28318e' 
  AND (
    token = 'fT9ayDRcuxHimxOVt8fOVyhCHrrQcBsSka4fl8yUtCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )