UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BMtbataijn7szB4A1WZfd4zCaAaBs8MH3JnSnPWGABw=' 
WHERE 
  key_id = '294950f809d09426ad0c472edeb76b52e78859a628bc737389e98091d0c8a434' 
  AND (
    token = 'BMtbataijn7szB4A1WZfd4zCaAaBs8MH3JnSnPWGABw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )