UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/iq5IcaIFXh9UXG1Z7MeHzA+2tNSicNU8+gOGkRd54w=' 
WHERE 
  key_id = 'b454c0b54ead8eb42ebdeda7ade6d01586d0cbd7e659742205ca2abca6ca15a8' 
  AND (
    token = '/iq5IcaIFXh9UXG1Z7MeHzA+2tNSicNU8+gOGkRd54w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00049