UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uR6aaPhkkiCiAOsjvD9Y4uYSvKA0fk3e9RMHYyDSRY0=' 
WHERE 
  key_id = '28518244d7a588f6288e26c15c32c497e01290d32ef5cc7c54f55e7e0b69d02a' 
  AND (
    token = 'uR6aaPhkkiCiAOsjvD9Y4uYSvKA0fk3e9RMHYyDSRY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )