UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm4BejqChgvP6MA4zO0XYpkK37sKW6lpkbnUQnZTFBt8=' 
WHERE 
  key_id = '57c0104afecb4da556f293ca7b92407e8e5d2033925fe2d7083a224c2ac33af6' 
  AND (
    token = 'm4BejqChgvP6MA4zO0XYpkK37sKW6lpkbnUQnZTFBt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )