UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4e2bAujt9i+ZRtV6jF7aBolN8Hia6CZFaGymnRsffWc=' 
WHERE 
  key_id = '31fbc5ec0c085de793ae18b4b766ec55398596b95a82b5eaeadbb440074a5831' 
  AND (
    token = '4e2bAujt9i+ZRtV6jF7aBolN8Hia6CZFaGymnRsffWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )