UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5wVnRH4DblcPKKOEZSHGjWe6njIPUF9xE/3KxKo7daY=' 
WHERE 
  key_id = '23dab55f924f6b2d3f6ed4926d07ac817b4d83ca9d1c5e3918573a67bb2add41' 
  AND (
    token = '5wVnRH4DblcPKKOEZSHGjWe6njIPUF9xE/3KxKo7daY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035