UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iq273PCGLhkAyHOrQ88zIMb+zwCzkFaFyfYksKjCq/Y=' 
WHERE 
  key_id = '6f407051a6f5ee568b3e23f0607af0b18b70517cec7ba83728ec8a7f8a34b44f' 
  AND (
    token = 'iq273PCGLhkAyHOrQ88zIMb+zwCzkFaFyfYksKjCq/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )