UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/QXJ3PWvqbrKUBCFYWMzOilDBca+tgRO/+TiC5ls/Mc=' 
WHERE 
  key_id = '255bc57f5dfa4222563abd2a602a761f0903d69875413c8009a56bebc7a6ccd8' 
  AND (
    token = '/QXJ3PWvqbrKUBCFYWMzOilDBca+tgRO/+TiC5ls/Mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )