UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRJ+8IIwFZXPGbvvyirNMCaKZIz3kCX5HdzHZ253Fc4=' 
WHERE 
  key_id = '9e55be3dd92e1fbc917aada5bebf2b753e0f1d936469183f2b735666f44f49c6' 
  AND (
    token = 'MRJ+8IIwFZXPGbvvyirNMCaKZIz3kCX5HdzHZ253Fc4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )