UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RBTUWWrIQOPYxSbWMklxyDmaF6mG53n7gKsEQMVVT8M=' 
WHERE 
  key_id = '938482c687c21f666f5017316858c8564ec1039200ce00501ce29611d46d682a' 
  AND (
    token = 'RBTUWWrIQOPYxSbWMklxyDmaF6mG53n7gKsEQMVVT8M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )