UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6sLiCZoMPpr7ox27dFODOlKCFu1CmgIeP62UsHwlSw=' 
WHERE 
  key_id = '6a5ea9fe87f1bb8e478af9743e9f4f81fe9abc4775b34305a2825a741377f19b' 
  AND (
    token = 'b6sLiCZoMPpr7ox27dFODOlKCFu1CmgIeP62UsHwlSw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )