UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gTdi5qqSinvvzRcnsiGFMu297FS6UEbgklTQr1GIGAc=' 
WHERE 
  key_id = '421d57aa423672eec25587d4fa2b8464f9f1fb2cadbdf1145e28f251c8a046db' 
  AND (
    token = 'gTdi5qqSinvvzRcnsiGFMu297FS6UEbgklTQr1GIGAc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )