UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rq1dJlG1jrLvLlHn7YHMABAie49ea0zWgoEFcLBmCKY=' 
WHERE 
  key_id = 'a38fcb8680d8023adda14482c76c776542910d147a53b1183e0dd5a42856253f' 
  AND (
    token = 'Rq1dJlG1jrLvLlHn7YHMABAie49ea0zWgoEFcLBmCKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )