UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6km/vM8dIJaZ7BiQytlEZKTYx86y9Vl+v3gIXRCKuz0=' 
WHERE 
  key_id = '246e317c8e6231b8499dd6ffaeb50021623ad745c56aecd2a054841de2b689d7' 
  AND (
    token = '6km/vM8dIJaZ7BiQytlEZKTYx86y9Vl+v3gIXRCKuz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )