UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtsW+i1kwOTX8mgGqPrGkG7xiEcMEaeT25P6mjj47HU=' 
WHERE 
  key_id = '08083b195eb1c7de1cb2c08e6de98b7bdccc3b622e5d22d1e1ea64309d1b442c' 
  AND (
    token = 'PtsW+i1kwOTX8mgGqPrGkG7xiEcMEaeT25P6mjj47HU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )