UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6bC31a1fCacnl1lTQjB/IGYry5pjSci6DitthAuBPE=' 
WHERE 
  key_id = '804a602727aaa5eec5f1389009ccd9fcdd73d681f6914b9d2033ab57122974a0' 
  AND (
    token = 'R6bC31a1fCacnl1lTQjB/IGYry5pjSci6DitthAuBPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )