UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hfDFtgjfJu4zwkftYBcSJhhVxTRtgiGh4IowAb5mnWU=' 
WHERE 
  key_id = 'd69d6a96ccd94b7d88affc81599403ea6d30e72e46e15c41f3bc43da42ee8c48' 
  AND (
    token = 'hfDFtgjfJu4zwkftYBcSJhhVxTRtgiGh4IowAb5mnWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027