UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zwHOQzbl40N7zOi1+CTx7WIQW+5BLmMbUco4f7nUuRs=' 
WHERE 
  key_id = 'cdca01ddc451936d9356437c02bd8879236305e27ae757fc0ed0900070095138' 
  AND (
    token = 'zwHOQzbl40N7zOi1+CTx7WIQW+5BLmMbUco4f7nUuRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )