UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rs7SKCer1+5ZjsKIca7z1jkErUH1Gy/v2NNiDm2Xv+o=' 
WHERE 
  key_id = 'a230f65c2b581cf78b6616aa939d78df8f1cf4e232c42f589a13b981b8ff1ef0' 
  AND (
    token = 'rs7SKCer1+5ZjsKIca7z1jkErUH1Gy/v2NNiDm2Xv+o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )