UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P8/SUgH4sdRzHOU34+aq6HM1sz3SlEB8F27zER0VEyM=' 
WHERE 
  key_id = 'd9aa85937bfd8071d711c45f6ab31d10334b95457ccb805baf8a2f4d08ef9232' 
  AND (
    token = 'P8/SUgH4sdRzHOU34+aq6HM1sz3SlEB8F27zER0VEyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044