UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/9LDmIrfpjuj3s8uz1zxwrwMFAEUoZClJJ7BABx1FMM=' 
WHERE 
  key_id = '535e4f208df1eafc2ae1610d1262d0fd1f079926bc9823bedb99f51fa30626db' 
  AND (
    token = '/9LDmIrfpjuj3s8uz1zxwrwMFAEUoZClJJ7BABx1FMM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )