UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ULwz8tHeWT/MZ/PpczV3gUMHXEtMPrGrmgn2iHv61zo=' 
WHERE 
  key_id = 'd5e4c70729a42d733f7a6d41b87e43b256f13ad5fb1e4471d1d4b091d6d73959' 
  AND (
    token = 'ULwz8tHeWT/MZ/PpczV3gUMHXEtMPrGrmgn2iHv61zo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027