UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/MLlZvHa6DJrlD6eco6W2VX9TEFTA336pke1312PePI=' 
WHERE 
  key_id = 'e6618e23823317a669a46802e7f64f8cf6b7dbbd5307f328e56110fd1f54e339' 
  AND (
    token = '/MLlZvHa6DJrlD6eco6W2VX9TEFTA336pke1312PePI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )