UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/xozXDtpykO70HfEAmoL8LD+IqGbv9TLn0hW9kQqPso=' 
WHERE 
  key_id = '784973f56318d220badb2b0e7a251eb38f8de0b2415861ce40be97bd855d96da' 
  AND (
    token = '/xozXDtpykO70HfEAmoL8LD+IqGbv9TLn0hW9kQqPso=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )