UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hs8GsKQypb3KTHaOad2yoYxN4fQMoUmkTp1lHVFRJOs=' 
WHERE 
  key_id = '51db779f3d75fe1950ccb3d353f1bfa2ee4436321ffb32022f34daf47fa2d803' 
  AND (
    token = 'hs8GsKQypb3KTHaOad2yoYxN4fQMoUmkTp1lHVFRJOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )