UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = '2nr5yHDcqjdMOzVhVU3+Ghk2oT1y/ErTCBIB8854KnQ=' 
WHERE 
  key_id = '8cdb5a8ea8438b8d9c467926d650079cf15f72c5c1697dfec78690484b462eb1' 
  AND (
    token = '2nr5yHDcqjdMOzVhVU3+Ghk2oT1y/ErTCBIB8854KnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )