UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DhSJBm/p7gMQ7paWscqpkm4NeFARqGYVXrfr93+lJnw=' 
WHERE 
  key_id = '83843a5b4502a48e59a6ac0d3d590a2758130787b4e4b40029c879c24dbd7443' 
  AND (
    token = 'DhSJBm/p7gMQ7paWscqpkm4NeFARqGYVXrfr93+lJnw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )