UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CTxCEoqYov0P6FDE6CvjpeAc9tuCIls+FZxvemIVBRM=' 
WHERE 
  key_id = 'f758ebdccf468ce4f868bf35ef4e4fbf1fe0a9feb7b829c097ada2f117610951' 
  AND (
    token = 'CTxCEoqYov0P6FDE6CvjpeAc9tuCIls+FZxvemIVBRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023