UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mBwBJG4Qm9338eHBkyqxMRTwW3S8O0r736hSIisx9UI=' 
WHERE 
  key_id = 'a2c6c32850315235388452ff7439e325f6ccc3f720c90631a76560d359939c26' 
  AND (
    token = 'mBwBJG4Qm9338eHBkyqxMRTwW3S8O0r736hSIisx9UI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )