UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1DHKhvU1aebgSMY9zHlYyTq8wYtgQ/HiR/bXu2V/PGk=' 
WHERE 
  key_id = '83ba52c35ef3eac02d1c392b9e4e9aa5e5c3df7e714b296e6a71860588813668' 
  AND (
    token = '1DHKhvU1aebgSMY9zHlYyTq8wYtgQ/HiR/bXu2V/PGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035