UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mtwg2dTD8cf2gPOvE/AKBwGGlnY6ntfioeR0wX5lDi4=' 
WHERE 
  key_id = 'c50675a68ea5834c4281f6a4093084b897924121f381f894a2dd49f34a846b3a' 
  AND (
    token = 'mtwg2dTD8cf2gPOvE/AKBwGGlnY6ntfioeR0wX5lDi4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )