UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PwYZXZJdq0QmlwuJJWN29B+UGXNtNOFNlaTEBfBa/Rw=' 
WHERE 
  key_id = 'b50498f643dc6161981fa4742edbcfa43a3d89e28cbf7b330dc8b2c8c25d37fe' 
  AND (
    token = 'PwYZXZJdq0QmlwuJJWN29B+UGXNtNOFNlaTEBfBa/Rw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )