UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y+qOLGH3Y2TFEgIFd94/5poEIylp2jd4fBdnwyhjiPE=' 
WHERE 
  key_id = '3c1f9686b59c0cb619595d797cc125e70ccca23ed90c10dec8feac2fe7ca34c9' 
  AND (
    token = 'y+qOLGH3Y2TFEgIFd94/5poEIylp2jd4fBdnwyhjiPE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042