UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'smV6Fi7AolwUzo17Fn1hxNffJSRky+tj/9hV9lTaDTA=' 
WHERE 
  key_id = '4875d607b325bace5eec2622960f5fb51bef700f9cf440d0bff00fd61147667b' 
  AND (
    token = 'smV6Fi7AolwUzo17Fn1hxNffJSRky+tj/9hV9lTaDTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )