UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'brEAGknAPoTLRoov206aIaghqAkiuuOJuvMldiU6c5w=' 
WHERE 
  key_id = 'b97cdf999780362ebf2600ecc8552d6f9ed92b212d8a24ed2d51d62cf9d56802' 
  AND (
    token = 'brEAGknAPoTLRoov206aIaghqAkiuuOJuvMldiU6c5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036