UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ld1nTVDxTdQFvZB1Xvyg48TRNi2j7atNYkx7JtyX5qE=' 
WHERE 
  key_id = '6a2679a334ffc18d96c68081e5fb612b87d353bf641c2ca697a378522abfe551' 
  AND (
    token = 'Ld1nTVDxTdQFvZB1Xvyg48TRNi2j7atNYkx7JtyX5qE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )