UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '20Y1523vSejOctvJskpuomghDwYXZ3iXuCyifTLy6p4=' 
WHERE 
  key_id = '6f86d65141ac3ff7347c2bba12fd58f79259e3c651a678c541055794a7990f97' 
  AND (
    token = '20Y1523vSejOctvJskpuomghDwYXZ3iXuCyifTLy6p4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )