UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jHExchTsbSj1uvYrm0wxp4Mpq7H3IsmveeX2lRMKIzw=' 
WHERE 
  key_id = '71917b064e55e14345e4a61f259656ad5e48e4031fab6e7c9ec809774284ff80' 
  AND (
    token = 'jHExchTsbSj1uvYrm0wxp4Mpq7H3IsmveeX2lRMKIzw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00025