UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmIbv8EPaaHj8rOzsNIIlE2CZWSFziQbhGGsdoTAT1I=' 
WHERE 
  key_id = '20861f87b179a80b47b08aa951a1d703f1a6a818cfceeff1a4c1ffe38aa5fc49' 
  AND (
    token = 'xmIbv8EPaaHj8rOzsNIIlE2CZWSFziQbhGGsdoTAT1I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )