UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WQOrAWfWB+NnK7D5HnIu1ehQWCDcQ+tseqctV6e3R4E=' 
WHERE 
  key_id = '21e44218b1532be72df4205df14648f05bc1132fd1bd8dbad652491c35419cac' 
  AND (
    token = 'WQOrAWfWB+NnK7D5HnIu1ehQWCDcQ+tseqctV6e3R4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )