UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'llx2V3W4Zk6ekvgV5uogC7NFUkgjXP1nqDhnVFucgHY=' 
WHERE 
  key_id = '640f6a9d65a329df23297e0b5b45951be7153598e38e0d1cc87bd68dae8dd105' 
  AND (
    token = 'llx2V3W4Zk6ekvgV5uogC7NFUkgjXP1nqDhnVFucgHY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )