UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gb/7Lp27pByJ6UGokukgDVrp4UhftMkoJwc8bE2An9o=' 
WHERE 
  key_id = 'f77b98310814e3d681b8d41011b04622ce6804244bd1384224cd6a5f6e37783a' 
  AND (
    token = 'gb/7Lp27pByJ6UGokukgDVrp4UhftMkoJwc8bE2An9o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )