UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9rg9EYr3dr76Vl/ll78k5Q7Ektg+X/tZDCG21I1FCB8=' 
WHERE 
  key_id = '51d2a4cd62fefffce60c08365a72901e3beed463f1f9f1b4f447cbec8caafec3' 
  AND (
    token = '9rg9EYr3dr76Vl/ll78k5Q7Ektg+X/tZDCG21I1FCB8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )