UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qF2x5qRZ2eIpduWdJx9QgtYCnAY0z+djGnHew/2EVfo=' 
WHERE 
  key_id = 'ec08d97c9ec51069657e23f5b98f1914b70190da71999f0830d89f97175de294' 
  AND (
    token = 'qF2x5qRZ2eIpduWdJx9QgtYCnAY0z+djGnHew/2EVfo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )