UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Smpyd9t8QEjikvXr8ENkqBXDFjGDOTaHNmpTZd0Udtc=' 
WHERE 
  key_id = '81ac4698abf3ffa3ea23f74ddf7fd03daa63cec760746b897a0f384d96be964e' 
  AND (
    token = 'Smpyd9t8QEjikvXr8ENkqBXDFjGDOTaHNmpTZd0Udtc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )