UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tn3B1GhvcbU/AJen0Sj8NemyedA1Yr/PnEQvmos1T+s=' 
WHERE 
  key_id = '73c9add3626af64a9a71140847f2db9798c03f0a3ce3f2cbd30a82d2d6d0c5d9' 
  AND (
    token = 'tn3B1GhvcbU/AJen0Sj8NemyedA1Yr/PnEQvmos1T+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00045