UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Le6ca2UrQkY/tT4vWXWu7UNT4p4Fxz3h62iBN31bE7c=' 
WHERE 
  key_id = '2bd61a3796bfae4c1c2a121df9b9fa3f68898a7a41c40f0d9151d1c53883cb78' 
  AND (
    token = 'Le6ca2UrQkY/tT4vWXWu7UNT4p4Fxz3h62iBN31bE7c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )