UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eNVPU2tAkd9rvumOTO8H/uiCTuq7R1Xci774Sos64HY=' 
WHERE 
  key_id = '21ef2d4b1058809da35df306684eded5b08640ad790b41d458138d799b8a1837' 
  AND (
    token = 'eNVPU2tAkd9rvumOTO8H/uiCTuq7R1Xci774Sos64HY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )