UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z8aaSlkKrv2pWEuQmL3PhtVqiqeYN464ce7fjSw40lw=' 
WHERE 
  key_id = '9e57d310856bc3e483e7fc15c043b6e19d34dbb402be2740152369385679d40a' 
  AND (
    token = 'z8aaSlkKrv2pWEuQmL3PhtVqiqeYN464ce7fjSw40lw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )