UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6tV/vQK1gDT2RCZMJcjMiQ/ukXf1eCSI8zV1SBxiyg=' 
WHERE 
  key_id = '7e9b497ab00f72318030bea7dffbd9198e447862b62a0823d93ee099d54857f5' 
  AND (
    token = 'U6tV/vQK1gDT2RCZMJcjMiQ/ukXf1eCSI8zV1SBxiyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028