UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'merSZm713F4fTbH0DSMUAR1ySw+qNvGzXfPGy2zMpsQ=' 
WHERE 
  key_id = '55010fc3c8e36606993b2f1000dbd9ea59dfd83d538e62cff49f2021ba179b8e' 
  AND (
    token = 'merSZm713F4fTbH0DSMUAR1ySw+qNvGzXfPGy2zMpsQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )