UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IPfMKa9TyaMjRULabNrBk6ac0kqXJnamXWR31A258X4=' 
WHERE 
  key_id = 'c51d6f3dc9068e9b46aff278096bd637e3437ce1a7dce4d726613c5d3e79532c' 
  AND (
    token = 'IPfMKa9TyaMjRULabNrBk6ac0kqXJnamXWR31A258X4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )