UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tjtjEuOfsh79c3GuMqlM7XHLDxQP37xblLsq57lCa7o=' 
WHERE 
  key_id = '8d8eb7570b94a68196cdca6fb950eb306be15704e2c0d973be29c00963562bf3' 
  AND (
    token = 'tjtjEuOfsh79c3GuMqlM7XHLDxQP37xblLsq57lCa7o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )