UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Emb6esa1hnCDOrnZAHkG791YtstR7+tevRWKdmPD2F4=' 
WHERE 
  key_id = '56a3f3dfd8329cb47f71a9f57519be61add1e70014309779c80ad5a662495ac1' 
  AND (
    token = 'Emb6esa1hnCDOrnZAHkG791YtstR7+tevRWKdmPD2F4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )