UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zWXSwAlAbSy6WXVx48Ghj4EXUKKT0VZGpk2OYNTIdSY=' 
WHERE 
  key_id = '8a0c7be89104ef139ba4325e3b905720019111facde8782e9f38636781c76498' 
  AND (
    token = 'zWXSwAlAbSy6WXVx48Ghj4EXUKKT0VZGpk2OYNTIdSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )