UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EakLx2Bhek6TDUpv+JAE1IpLJTs8fjW/4pWsnwm8JUQ=' 
WHERE 
  key_id = '09d8a23276d3afd1dbb0393e38dc22c87024c34a3d3c8c98baf1e7d539b6a2e4' 
  AND (
    token = 'EakLx2Bhek6TDUpv+JAE1IpLJTs8fjW/4pWsnwm8JUQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )