UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zfmr68lmxOFrkFO4G1FAPapc/4vXyM9TEMUsWjpWdV0=' 
WHERE 
  key_id = '81ffb93e8b390110cc4ff668f3d01db74f048c80f31e1399bcae6d050ff5933d' 
  AND (
    token = 'zfmr68lmxOFrkFO4G1FAPapc/4vXyM9TEMUsWjpWdV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )