UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tqYJ2X5u1LfEAEkcM1UQKSxFOEyBZIR75N6kmESNy/o=' 
WHERE 
  key_id = '3eb15c255422384e9378617fc31015b48157fafd21643a9d596e25decd5817d4' 
  AND (
    token = 'tqYJ2X5u1LfEAEkcM1UQKSxFOEyBZIR75N6kmESNy/o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )