UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FatnvAFrm+McPlOnAWlW2HbpOqiUPQnMzSpcyg/3EYU=' 
WHERE 
  key_id = 'f98e4d48dc16b606d553896399a3a7fa94d5989eae1c94ddd2bee286dfceed26' 
  AND (
    token = 'FatnvAFrm+McPlOnAWlW2HbpOqiUPQnMzSpcyg/3EYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038