UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xV8zp9GyXcbub+8kiOfrJs/m+6N+0yzrOBygU0EKCvE=' 
WHERE 
  key_id = '81c5ed98d011d327a007c5a1587c27cdcfacc60aa0d2e9d621166fdc58d33a57' 
  AND (
    token = 'xV8zp9GyXcbub+8kiOfrJs/m+6N+0yzrOBygU0EKCvE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )