UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDVWgo94NRaY6sfvYCy/b9mN0BfjlVlBqOA372XIAOE=' 
WHERE 
  key_id = 'b9ebb884dafafa51d962f90a687bc0b60888aa4aae542352e5481cc78b7d6497' 
  AND (
    token = 'PDVWgo94NRaY6sfvYCy/b9mN0BfjlVlBqOA372XIAOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )