UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'qk2GPxQ2aCl65cUkBgvaGm/P7hjAvyIU88MJM79lzig=' 
WHERE 
  key_id = '3631df05f00da7a2e889bd4c1b778a5a7768cbb4b500c57290ef890a0075a253' 
  AND (
    token = 'qk2GPxQ2aCl65cUkBgvaGm/P7hjAvyIU88MJM79lzig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )