UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'GAzp64h8Ek/GquegVHFaY0jCibcIh8Yf4sIRu/q/wfg=' 
WHERE 
  key_id = '8449c72bc38cc9d13c23cb56240330a901d7d7f67434556d05258ba0e8b66347' 
  AND (
    token = 'GAzp64h8Ek/GquegVHFaY0jCibcIh8Yf4sIRu/q/wfg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )