UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rxU7RuiqrobejEpT9WgoPtArWhICJQbQ+I2imM2GKME=' 
WHERE 
  key_id = '3678f2e5616fb4531b48ce9d2206d9c4a76f21eecfe96a3a1636c5824522a56c' 
  AND (
    token = 'rxU7RuiqrobejEpT9WgoPtArWhICJQbQ+I2imM2GKME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )