UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hhusD8ueIVPJxKFVW0liDUYgH7zFSiLfSHBS9vx7uHM=' 
WHERE 
  key_id = '4e37c6064ffe7e286f5db2dc40b789cd6bc5360e02457ef62ba104b7a7366632' 
  AND (
    token = 'hhusD8ueIVPJxKFVW0liDUYgH7zFSiLfSHBS9vx7uHM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043