UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RH7Vw8WOKoh/KXSBy99KCQ6DVwiio6FJxF6wGNSKQxQ=' 
WHERE 
  key_id = '18dfd4c1f70d2ccd4200a7d3a517a49b220e4f141b7aad8f854acd351aa8fa50' 
  AND (
    token = 'RH7Vw8WOKoh/KXSBy99KCQ6DVwiio6FJxF6wGNSKQxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )