UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'djVetiqhUzgQ0ZydEKLNgfhhacZzcaDNf8wmsXEG3Lw=' 
WHERE 
  key_id = '6f0a67359de31d04d1fa3df288c0f8701ef83e27a37edda8f350277f07829edf' 
  AND (
    token = 'djVetiqhUzgQ0ZydEKLNgfhhacZzcaDNf8wmsXEG3Lw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )