UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rAm6+vHD+ajNM9lS00AZeMQVJpIWeTZy15ueMUAheJE=' 
WHERE 
  key_id = '50200f54414d6e427b539113400f5941e98c34c2eb41aec7fb38a6b6b36e62d2' 
  AND (
    token = 'rAm6+vHD+ajNM9lS00AZeMQVJpIWeTZy15ueMUAheJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )