UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EhDMjm3XWx8FCsfo61sClL8hSI3mi6osRO3zlOv2MUk=' 
WHERE 
  key_id = '1d3f22f90c7bba3d2fa10c924cbaa2e1db0cc8eca0a6eaf3410bb3339c0d1848' 
  AND (
    token = 'EhDMjm3XWx8FCsfo61sClL8hSI3mi6osRO3zlOv2MUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )