UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/wcZyvURPCsVV1vG7Djz6HGLsaMEy032Eg8UVXIEMAs=' 
WHERE 
  key_id = '50d18dac3455e4e7f69bc44e2e522e8c4bf02b4bb56b5f608ed43fecd6875baf' 
  AND (
    token = '/wcZyvURPCsVV1vG7Djz6HGLsaMEy032Eg8UVXIEMAs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )