UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/UxPvLjKVgB+z7mFzymtE/BTShbs5EcbQyy8qxWjhSY=' 
WHERE 
  key_id = 'c3ecf0e716911a3a9f9bcd88f61c32e1f62485b0c12d0273456fc9ef5653faa3' 
  AND (
    token = '/UxPvLjKVgB+z7mFzymtE/BTShbs5EcbQyy8qxWjhSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028