UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'jfe0DPqpgaKn6u0qQpkVQWl31VfFB0d7G48iQX8a0bc=' 
WHERE 
  key_id = '9b80362566ba452716400c789f413b47964e4be345f0c9743bb61ca14bd4e520' 
  AND (
    token = 'jfe0DPqpgaKn6u0qQpkVQWl31VfFB0d7G48iQX8a0bc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )