UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yExlAHziRq17q5sPOVHWHxHEuLxaqwfOqBWMHd/rmog=' 
WHERE 
  key_id = '75f52f474fac6c3888c41db2a40fe91f2666441d4262a16ec4d9304d4ab15885' 
  AND (
    token = 'yExlAHziRq17q5sPOVHWHxHEuLxaqwfOqBWMHd/rmog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )