UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9R/M17ssVpc0m5uMO+OVN++jtle9+bU2c2d9UAEgwOY=' 
WHERE 
  key_id = 'a57ee3fcfe6b21b59a0217f5882ff7fffc4b970f145cd491b847ef02050ec6b1' 
  AND (
    token = '9R/M17ssVpc0m5uMO+OVN++jtle9+bU2c2d9UAEgwOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034