UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '48RQYsK3Bd3ndWhB0a0HoECHkpgXD85ulXXC/CQhvMY=' 
WHERE 
  key_id = '45a69ec2f4ae874dd4da5e2a5b933faf6a73bdaf15d7b691abbea86bbf083686' 
  AND (
    token = '48RQYsK3Bd3ndWhB0a0HoECHkpgXD85ulXXC/CQhvMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031