UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6qxZR7tyRQPMneoq//w8qFAlv6AvV3HAcdSMYSX1mRg=' 
WHERE 
  key_id = '81e61e3dc94658d7c952f19f923524e91764c6627a18eb2965054e8ed8b018c4' 
  AND (
    token = '6qxZR7tyRQPMneoq//w8qFAlv6AvV3HAcdSMYSX1mRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )