UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u//HaVzWbu9sOk5KWxjowigLXL8HOo+HhQQKSoCRV00=' 
WHERE 
  key_id = 'c12a2292b031b73cfef846eea07fd022071cbdd98ef4eb99ebac944548af9752' 
  AND (
    token = 'u//HaVzWbu9sOk5KWxjowigLXL8HOo+HhQQKSoCRV00=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )