UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3WVy5dVMfPIK1gQD88ukqmJSzZTbjsNLdM3QKfm6LCI=' 
WHERE 
  key_id = '2750659cb7f5ee99e5ab0c20ff73099dee4773e4b533f3186e40b6135141d8b4' 
  AND (
    token = '3WVy5dVMfPIK1gQD88ukqmJSzZTbjsNLdM3QKfm6LCI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044