UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WNmLwwVVxJUVnI45rTt9JxIpweJTSZVcBl/+axuAsfU=' 
WHERE 
  key_id = '1bd41b3e11d9e6de0665afa6aa2ba7a480429351512f398d522531c3b3d8d620' 
  AND (
    token = 'WNmLwwVVxJUVnI45rTt9JxIpweJTSZVcBl/+axuAsfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033