UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X8pinhj8NoYUnFo5xiONvLy6ecCFvK9JOFGKyJdhJDE=' 
WHERE 
  key_id = '8290a0485c1faac2c2b0b55448eb953b2582996e0b9c4d02cc2cd7d745ff4e8d' 
  AND (
    token = 'X8pinhj8NoYUnFo5xiONvLy6ecCFvK9JOFGKyJdhJDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )