UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3BO2varZl9vkit31CvmUQTq5jef+8+Q5u5E0YlQ8DRU=' 
WHERE 
  key_id = '8ffb5a382b0b57aee4d9fd2cbce888256cc99a498933fea4c3f99ea3c990c477' 
  AND (
    token = '3BO2varZl9vkit31CvmUQTq5jef+8+Q5u5E0YlQ8DRU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039