UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't95MBYTFRc9kal6twkkEORj4mxJcQK+KxQR6ZXKAwgI=' 
WHERE 
  key_id = '50d84198dc024e7feb891eec7d6b42addc028d76abe1ef1f4e05011002f66ef9' 
  AND (
    token = 't95MBYTFRc9kal6twkkEORj4mxJcQK+KxQR6ZXKAwgI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )