UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CdTd6b3ghktbFGGab7HZpMtQ2bqUL03DW0+CNalwYkg=' 
WHERE 
  key_id = '6991f84d37383bc8b42bad6096da4941a80a114e42adc324addc2b497bff398c' 
  AND (
    token = 'CdTd6b3ghktbFGGab7HZpMtQ2bqUL03DW0+CNalwYkg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )