UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AhA6TpzANg20KSM3Me7nfFUVFt4VC1PzamO5sVkJGVs=' 
WHERE 
  key_id = '28797a7cdf7b20537d7f02ec4b406d486cbc541c0f984f085305cda92141d82c' 
  AND (
    token = 'AhA6TpzANg20KSM3Me7nfFUVFt4VC1PzamO5sVkJGVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )