UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yA7FiWZPGxPpvtKWyPQWCXf9aHP7SuatAFsY3GaLxZY=' 
WHERE 
  key_id = '90520ac11fb6a01660f2235512e036b161a45a2026bf062f358a909284b3adf9' 
  AND (
    token = 'yA7FiWZPGxPpvtKWyPQWCXf9aHP7SuatAFsY3GaLxZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )