UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gMWOGWtby6P4aWg1JSwmzkTYBtp50dRowJ8zB/CAhbk=' 
WHERE 
  key_id = '52749d6ffcebbfed5964933a0d9a5f78ebc269d657a8d3275eb1ebc5bac507b3' 
  AND (
    token = 'gMWOGWtby6P4aWg1JSwmzkTYBtp50dRowJ8zB/CAhbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )