UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jZ5sJZh5XF+saFt0bMXP17vzkwZZW4q8JKPPjd4aBFE=' 
WHERE 
  key_id = 'fb23b3d9e0ab4e12f1bc1d4d5300ab95ad3228bcdbdee4e67c55645bd939cedc' 
  AND (
    token = 'jZ5sJZh5XF+saFt0bMXP17vzkwZZW4q8JKPPjd4aBFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026