UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '50tfmymUVA9Q3olUAsvhbnFoA+eukTEhwQ0A4Om6Dy8=' 
WHERE 
  key_id = '1f94a6a0960b8719637ed646601acad8d7b5d04b1953dda1ccbf14aac93af0b4' 
  AND (
    token = '50tfmymUVA9Q3olUAsvhbnFoA+eukTEhwQ0A4Om6Dy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )