UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6EKkw8FDMmKhESrnQQrZ0rBO/6whdx8zPoGcvmE1fmg=' 
WHERE 
  key_id = '77a08623a3477b045adead93f427adc2b9ae43451535301298fa93b0f02a77b2' 
  AND (
    token = '6EKkw8FDMmKhESrnQQrZ0rBO/6whdx8zPoGcvmE1fmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00055