UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mHJIm0emmRGncMI1R/wUKpdRoX+V2VK4Q95UL0vxB5k=' 
WHERE 
  key_id = '316f02738dafb0ca6842f8d9d55da8b644ae9c5c1f66f65ec2dfb7da9c8282d1' 
  AND (
    token = 'mHJIm0emmRGncMI1R/wUKpdRoX+V2VK4Q95UL0vxB5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )