UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uW8ut70UdG66sIU/vAHwkHYSoe3Jeifh+9gF9+lmb/w=' 
WHERE 
  key_id = '81b9001d3ddb158f51dbdb788071ab00a4ca8bec3b08746dd55eaa5a14719684' 
  AND (
    token = 'uW8ut70UdG66sIU/vAHwkHYSoe3Jeifh+9gF9+lmb/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )