UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ihvqQVGsCDRsjNaA2Qd7RNGi9KbFZOrz0Uk5Y/ybLQc=' 
WHERE 
  key_id = '4eec2d1b9a95e51febf279e01aed657c0788959eab525fcec7b3782c2fa65e20' 
  AND (
    token = 'ihvqQVGsCDRsjNaA2Qd7RNGi9KbFZOrz0Uk5Y/ybLQc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )