UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6bKGhVcd8VUgFSgpKYtQ65stK4K8giXt2hHjB2oAOg=' 
WHERE 
  key_id = 'e28a0e4b84a1140a0ba5b15745c4d9da41b28c0586dbb37280378713c8e3b511' 
  AND (
    token = 't6bKGhVcd8VUgFSgpKYtQ65stK4K8giXt2hHjB2oAOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )