UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6vXuAyRhgzH4w5B8chn7HQeVDA25iWI2Muworf4LsQ=' 
WHERE 
  key_id = '7fa42f68662475086d3c1d40af3acb654795eca5360b2115ba597a1ca6fe4b3b' 
  AND (
    token = 'a6vXuAyRhgzH4w5B8chn7HQeVDA25iWI2Muworf4LsQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )