UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mDgP8uJehDmM6iLh4wMketTSUJuzfMjgjcPt0/8g3Qw=' 
WHERE 
  key_id = '56caec8621bf4b250d85ea9d2f5932c92de37265640f4412e8f996b5048536a2' 
  AND (
    token = 'mDgP8uJehDmM6iLh4wMketTSUJuzfMjgjcPt0/8g3Qw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )