UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hZNJoYHyb2nY8fcJQqi9xkg0D2dqD5ql/0Dw3qBiFFE=' 
WHERE 
  key_id = 'd18c28aaf0ac34dca3417fe9f1aae05018f3aac47e97cc4e990dd42d038fe076' 
  AND (
    token = 'hZNJoYHyb2nY8fcJQqi9xkg0D2dqD5ql/0Dw3qBiFFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )