UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6FMVmRhOQtm0/p12q+YeD7ipqj9FDLFySD+bLb+FJk=' 
WHERE 
  key_id = '6f91730b245b4c275d1c68bf08e25fe56804f661b822c9ec34ad4656fcec4ee7' 
  AND (
    token = 'k6FMVmRhOQtm0/p12q+YeD7ipqj9FDLFySD+bLb+FJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )