UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eiK1eSiyDFlQj20jK1mmjhpOj+6cQt84F+/y4xYG6tE=' 
WHERE 
  key_id = '6e3ae2cd80501dfffed07d0f27e3c87780a9f20d78434b152f80a15397726404' 
  AND (
    token = 'eiK1eSiyDFlQj20jK1mmjhpOj+6cQt84F+/y4xYG6tE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )