UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DEMJfU/ruSt8AEdobtUq1xDSI1f8X+R+gEuI292LpZY=' 
WHERE 
  key_id = '50bb9efa4d2d0744748a0ccd1977f37f65a1f4aad5341382e39fa7aea4314887' 
  AND (
    token = 'DEMJfU/ruSt8AEdobtUq1xDSI1f8X+R+gEuI292LpZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )