UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UjSK5nWB1ybzmSDDfYc1N/AHMSYt9W6/c3FXM50PHQI=' 
WHERE 
  key_id = '047d1a382f5d9fbff1b81f9520635e8111efa1dfac0d1df81ac7ec9e6ad0c67a' 
  AND (
    token = 'UjSK5nWB1ybzmSDDfYc1N/AHMSYt9W6/c3FXM50PHQI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )