UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fupHlBaM19PRd26r6rPF24vDJNH2XSHGaGi6os8sNtA=' 
WHERE 
  key_id = '81f525900e9ba61e44aa4dfcdf807b3ca94b4d8768a921f9502ac76e0abe25c9' 
  AND (
    token = 'fupHlBaM19PRd26r6rPF24vDJNH2XSHGaGi6os8sNtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )