UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G7lfcIsDlQWIbYhICZJWDFgSg3SaIwouo5sX612a6pc=' 
WHERE 
  key_id = '21634352d3590d8c963c83f1c945c6fb348f8ec05043a9689174792ce69e8b68' 
  AND (
    token = 'G7lfcIsDlQWIbYhICZJWDFgSg3SaIwouo5sX612a6pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )