UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DZhewzVpGAvIRZHZGR0piK407JRb0vCz0mCoKXesXes=' 
WHERE 
  key_id = '83e1f76b342fcefe9c26776a979088ee3637137512dd09028cb1222abb17968e' 
  AND (
    token = 'DZhewzVpGAvIRZHZGR0piK407JRb0vCz0mCoKXesXes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039