UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5prMhEHVjuKmsUE4oJaNTZFt2TDSFnLNH9YBy9vimDk=' 
WHERE 
  key_id = 'cef3e9f9f4f9fef7ef162bbfd34bd6abe1a2512fdd44d66a113bc76e713e1f4c' 
  AND (
    token = '5prMhEHVjuKmsUE4oJaNTZFt2TDSFnLNH9YBy9vimDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )