UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'k/66iNDLufX4MGtJsmBol9wof9nPpsJ94PUdFC+3vTw=' 
WHERE 
  key_id = '20ea8a9f5d1f7e5ac4a5114887069b4c92663cd878869fe7c54566ca52770dd3' 
  AND (
    token = 'k/66iNDLufX4MGtJsmBol9wof9nPpsJ94PUdFC+3vTw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )