UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ppb7BHTprKrulefB8alUyVE8DqxTdvDMfSph/Ooc3b0=' 
WHERE 
  key_id = '75760975ace1255e89f4e8972365b726e2df1343e9aa24394d423aeb12c1636b' 
  AND (
    token = 'Ppb7BHTprKrulefB8alUyVE8DqxTdvDMfSph/Ooc3b0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )