UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gJwt5V6CWzUHVpjHlxf3NqQ1Y4Y0wFdX602WICTNpQ=' 
WHERE 
  key_id = '19e575fd7d4ce986492e8e64fa9ec8e4760ccea9e1045621f65db09b77cb51df' 
  AND (
    token = '6gJwt5V6CWzUHVpjHlxf3NqQ1Y4Y0wFdX602WICTNpQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )