UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lVgCT5XVVR5nqNwBUy1J3l4w1njp7H1i1ekxrWOnzw=' 
WHERE 
  key_id = '7468df20a136d1ae654d561a458faf0b1f26992baa73fa0793ee48cdac4dceea' 
  AND (
    token = '6lVgCT5XVVR5nqNwBUy1J3l4w1njp7H1i1ekxrWOnzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )