UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l81/GkT6GyLZoPjTrHAU3+kFF5el8nHg7Il1ZroqCP0=' 
WHERE 
  key_id = '48d3c9eb47faeaf72b74109574c1fff11191343ff973374233a965601ec36da6' 
  AND (
    token = 'l81/GkT6GyLZoPjTrHAU3+kFF5el8nHg7Il1ZroqCP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )