UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MhJBJRiLApsu8UqnuFqQE3rzaL3DHHrySg4cBWiX/FU=' 
WHERE 
  key_id = 'd51ae7ade5bc0ce8169f69c374be3339eb26134be3e1774220bc738376c5bc55' 
  AND (
    token = 'MhJBJRiLApsu8UqnuFqQE3rzaL3DHHrySg4cBWiX/FU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )