UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cxR+JEnjRy9Q1t63V8/RRHI3gx8SeBMkfjLyx4WNP+s=' 
WHERE 
  key_id = '7c640f876223d3e821b46a7a2495036452f27e1e0380e289a2ed626a6402e564' 
  AND (
    token = 'cxR+JEnjRy9Q1t63V8/RRHI3gx8SeBMkfjLyx4WNP+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )