UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HTu8WOmQq6z3czEuIxLGLsEtq1r9HJjrGdFTi2GuoYA=' 
WHERE 
  key_id = 'b391636b9fbe17b6827923f6efc983f9f9753866446eedd3941a1b7e6fff4690' 
  AND (
    token = 'HTu8WOmQq6z3czEuIxLGLsEtq1r9HJjrGdFTi2GuoYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )