UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8mj+AQe0DiBCEmPIVVzy8feudaM/gN3Z8sW5udRKow=' 
WHERE 
  key_id = '687a15143bad01792aff40b82677f14419859a6da88ba93fde55ce1cc317251b' 
  AND (
    token = 'R8mj+AQe0DiBCEmPIVVzy8feudaM/gN3Z8sW5udRKow=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )