UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gx7fGkbK7r6Nrfd7H0ypOhEUwAmdo/SvYdJuhw+Aj6k=' 
WHERE 
  key_id = 'a54d2709ed96cb2875fee95c95fca01b29a1fd2b4292e731707324e3aea85a7e' 
  AND (
    token = 'Gx7fGkbK7r6Nrfd7H0ypOhEUwAmdo/SvYdJuhw+Aj6k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )