UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rCFHrN5JIrI4IEn+gF3ecuZqR6HBWYOVhnfWc6wWuyY=' 
WHERE 
  key_id = '0d6f546c0d7c9efaaad9713d62684e7c5a4f73e5755ba80c9ec2aa96ed89185d' 
  AND (
    token = 'rCFHrN5JIrI4IEn+gF3ecuZqR6HBWYOVhnfWc6wWuyY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00093