UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iA1mP53s+tya3YeS7JJ5JcjSkEhUyWossOIYZWwEnLc=' 
WHERE 
  key_id = '87833eba2a57223bbb0953958acc604792c1836e37b58653c2cddeaa6fd4f045' 
  AND (
    token = 'iA1mP53s+tya3YeS7JJ5JcjSkEhUyWossOIYZWwEnLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )