UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C3DEcJrvz4ZKMYSs7JHvBntALXsm5qPplbsn0njzCOE=' 
WHERE 
  key_id = '6e809692b7453cf2ff37e477a25e4d21b796782e99e712f0fa4d662a71467095' 
  AND (
    token = 'C3DEcJrvz4ZKMYSs7JHvBntALXsm5qPplbsn0njzCOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )