UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N0TRb+1I2AnwlvVgf2sMgGxC/lTheleuffo4AebK0lU=' 
WHERE 
  key_id = '50a517bb4c039b808a392ed60738b3766b891684ef79fb9868ee3f24faeaf6c4' 
  AND (
    token = 'N0TRb+1I2AnwlvVgf2sMgGxC/lTheleuffo4AebK0lU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )