UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i7iBkMKZ2cLO5e24hekydbhFXX3J8vVpH8SnIaLbRGo=' 
WHERE 
  key_id = '6accdd17799c3f7013fd0754e2509dca29783686267e4d3825c0895d5574ce2e' 
  AND (
    token = 'i7iBkMKZ2cLO5e24hekydbhFXX3J8vVpH8SnIaLbRGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )