UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AYpHRNPPKF0nVjFV0xnBcwxc2wNxAYYB32BHXNDfTzM=' 
WHERE 
  key_id = '51ea3c4387489d875607ae6b7e12881691113c628810a899933edac99bf4fec8' 
  AND (
    token = 'AYpHRNPPKF0nVjFV0xnBcwxc2wNxAYYB32BHXNDfTzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )