UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nH8ANu24cJywgOv38eqqJ9gnHbGTP9xy1twQRa2CwDg=' 
WHERE 
  key_id = '4c18da24ca4bba598a33871da5aaae198431d63347e7b7180eb44814b9c78dac' 
  AND (
    token = 'nH8ANu24cJywgOv38eqqJ9gnHbGTP9xy1twQRa2CwDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )